Geek-Guy.com

Category: malware

Stay ahead of cyber threats with the latest malware news, ransomware alerts, and virus analysis. Geek-Guy tracks emerging infections and removal trends.

AI Threats, Data Breaches, and Supply Chain Risks Define This Week of May 2026 in Cybersecurity

Major Threats & Vulnerabilities Data Breaches and Credential Exposures The hacking group ShinyHunters claims responsibility for stealing over 42 million customer records from Charter Communications. The alleged breach, conducted through social engineering and Microsoft Entra compromise, is under investigation. Organizations are urged to review MFA enforcement and monitor SaaS environments for suspicious activity. Read more…

Notepad++ vulnerabilities could enable arbitrary code execution on Windows systems

Two arbitrary code execution vulnerabilities in Notepad++ let local attackers run commands of their choice on Windows machines by tampering with the editor’s XML configuration files, with both flaws rated High at CVSS 7.8. The flaws, tracked as CVE-2026-48778 and CVE-2026-48800, affect every version of the editor up to and including 8.9.6, Notepad++ said in…

The Gentlemen are coming for your files, and then your network

Ransomware operators have spent years refining the art of locking files. Now, some are working harder to get those lockers to every reachable system first. Microsoft’s recent warning of the Gentlemen ransomware revealed its operators using a self-propagating Go-based encryptor capable of moving laterally through compromised environments and deploying itself across additional systems. “Modern ransomware…

BTMOB RAT Gives Criminals a Point-and-Click Kit to Take Over Your Android Phone

BTMOB sells Android full-device takeover as a kit, no coding needed. It steals data, records screens, and hands attackers remote control for $5,000 lifetime. Most Android malware requires at least some technical competence to deploy, but the BTMOB doesn’t. The developers sell it with a built-in APK builder that lets buyers generate new malicious apps,…

How to protect Windows 10 and 11 PCs from ransomware

CryptoLocker. WannaCry. DarkSide. Conti. MedusaLocker. Qilin. The ransomware threat has exploded over the past decade, and it isn’t going away anytime soon; the news brings constant reports of new waves of this pernicious type of malware washing across the world. Ransomware gained in popularity in large part because of the immediate financial payoff for attackers:…

The behavioral signals that sharpen Trojan malware detection

Malware analysts spend a lot of time deciding which signals from a sandbox run are worth keeping. A sample executed in a controlled environment can generate hundreds of measurable attributes covering file structure, registry edits, process behavior, and network traffic. Most of those attributes add noise. A recent study works through this problem in detail,…

AI Software Supply Chain Threats Escalate in 2026 

Artificial intelligence is rapidly transforming software development, but new research from JFrog suggests security teams are struggling to keep pace with the risks that come with it.  The Software Supply Chain Security State of the Union 2026 report found that AI-driven development is accelerating malicious package activity, insecure AI tooling, and software supply chain governance…

AI Is Reshaping the Future of Cyber Resilience

Cyber resilience has been a core focus in cybersecurity for years.  During my recent conversation with Brandon Willitts, Director of Product Management for Cyber Resilience at Everpure, it became clear that artificial intelligence (AI) is rapidly changing how organizations approach resilience strategies.  According to Willitts, AI is not creating entirely new security problems as much…

Browser Threats Expand Across Enterprise Networks 

A NordLayer report warns that browsers have become the primary workplace interface, increasing exposure to credential theft, phishing, malware, and session hijacking attacks.   The study found that 100% of the 504 analyzed workplace applications supported browser access, while 78.8% were entirely browser-based. According to the report, browser-related incidents are now widespread across organizations.  The report…

CVE-2026-35616: FortiClient EMS Flaw Actively Exploited in Malware Attacks

A critical FortiClient Endpoint Management Server (EMS) vulnerability patched in April has been exploited in fresh attacks to deploy information-stealing malware, Arctic Wolf reports. The flaw, tracked as CVE-2026-35616 (CVSS score of 9.1), can be exploited remotely via crafted requests for remote code execution (RCE) and does not require authentication. Threat actors are exploiting a critical FortiClient…

Ransomware Negotiations Mirror Aggressive Sales Tactics 

A Nord Security study analyzing leaked ransomware negotiation transcripts shows how modern ransomware groups increasingly operate like professional sales organizations.  The report found that attackers frequently use discounts, upselling tactics, psychological pressure, and negotiation strategies to maximize payments from victims.  The report reviewed 246 leaked negotiation transcripts from 2020 to 2026, covering more than 11,500…

Resecurity Supports Microsoft DCU in Disrupting Fox Tempest ’s Cybercriminal Code-Signing Ecosystem

Microsoft and Resecurity disrupted Fox Tempest, a malware-signing service that used fake Microsoft certificates to make malware look legitimate. Resecurity supported Microsoft’s Digital Crimes Unit (DCU) in its disruption of Fox Tempest, a financially motivated threat actor operating a malware-signing-as-a-service (MSaaS) capability used by cybercriminals to make malicious files appear legitimate. On May 19, 2026,…

Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer

Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver credential-stealing malware. “The campaign abused trusted endpoint management infrastructure to deliver malware across managed endpoints,” Arctic Wolf said. “Threat actors disguised the credential stealer payload as a Fortinet endpoint

What Is Cloud Security Management? Types & Strategies in 2026

This guide is for cloud security teams, IT leaders, and security administrators looking to improve cloud visibility, data protection, and compliance across modern cloud environments in 2026. It explains how cloud security management works, key cloud security strategies and tools, and best practices for securing cloud infrastructure and operations. Key Points about Cloud Security Management…

Silent Ransom Group Targets Law Firms With IT Impersonation Attacks 

Silent Ransom Group is escalating attacks on U.S. law firms by posing as IT staff through phishing emails, phone calls, and in-person visits.  The group, also tracked as Luna Moth, Chatty Spider, and UNC3753, is focusing on data theft and extortion rather than traditional ransomware encryption, making its activity more difficult for organizations to detect…

U.S. CISA adds Daemon Tools, TanStack, and Nx Console flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Daemon Tools, TanStack, and Nx Console flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Windows Shell and ConnectWise ScreenConnect flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2026-8398 (CVSS score of ver. 4.0 of…

$11 billion reasons Apple’s App Store tax is worth paying

Apple publishes its App Store fraud prevention report every year,. And when it does, the company presses the point that its curated system brings much value to developers and customers, including highly effective protection against fraud. It says it prevented more than $2.2 billion in potentially fraudulent transactions in 2025 alone. A tax worth paying The company said…

Indian CERT urges firms to contain exploited internet-facing flaws within 12 hours

India’s cybersecurity agency, CERT-In, has urged organizations to patch, mitigate, or isolate known exploited vulnerabilities affecting internet-facing “crown jewel” systems within 12 hours where feasible, warning that AI-assisted attacks are dramatically compressing the time between vulnerability disclosure and exploitation. The recommendation, part of a sweeping new CERT-In blueprint on defending against AI-assisted cyber exploitation, signals…

Zapier fixes bug chain that researchers say risked widespread account takeover

Security researchers chained together five separate weaknesses in the popular workflow automation service Zapier that, if first discovered by a malicious actor, could have granted access to millions of user accounts and the systems those accounts connect to. The flaws, disclosed by security firm Token Security, did not require malware or insider access. The only…

GlassWorm falls, but the repo problem is far from solved

Taking down a sprawling malware operation once signaled progress in securing the open-source ecosystem. Now, it barely registers. The GlassWorm campaign disruption comes at a moment when attackers can quickly reconstitute, and defenders are increasingly grappling with a new challenge: distinguishing real threats from automated noise. “I think coordinated actions, like GlassWorm, can sever control,…

JINX-0164 Targets Cryptocurrency Firms with Fake Recruiter Lures and macOS Malware

A new campaign orchestrated by a previously undocumented threat actor has targeted cryptocurrency organizations with an aim to facilitate digital asset theft using recruitment-themed social engineering and bespoke macOS malware. “These campaigns leveraged sophisticated social engineering techniques, custom macOS malware, and deep targeting of CI/CD infrastructure,” Wiz researchers Shira Ayal,

19.6 Billion Files Are Sitting Open on the Internet. No Password Required

19.6 Billion files are exposed in misconfigured cloud buckets, including 685K credential files and nearly 1M database dumps. There’s a comfortable myth most people carry around: that the data they hand to companies is locked somewhere safe. Researchers at Mysterium VPN just ran the numbers, and the numbers disagree. Across 535,480 publicly listable cloud storage…

Employees are unknowingly inviting tech support impersonators into firms, says FBI

Online or telephone IT support scams have been tricking employees into downloading or clicking on malware for years. But according to the FBI, one group that targets US-based law firms has recently found success in person, by convincing firms to allow a supposed IT support person into the building, where they insert a storage device…

AI chatbot recommendations lure users to cryptojacking malware sites

Cybercriminals are using AI chatbot interactions alongside poisoned search results to direct users to malicious download sites in an active cryptojacking campaign, Microsoft has warned. The campaign impersonates legitimate software tools such as CrystalDiskInfo, HWMonitor, Display Driver Uninstaller (DDU), FurMark, K-Lite Codec Pack, and PDFgear. Screenshot of search engine results showing a malicious source of…

Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users

Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That’s according to new findings from WatchGuard and ESET, which have observed the two malware families being used to single out companies in Spain, Portugal, and Mexico, as…

Top 7 Cloud Security Posture Management (CSPM) Tools in 2026

This guide is for IT leaders, cloud security teams, and compliance professionals looking to strengthen cloud security posture and reduce configuration risks in 2026. It covers the top cloud security posture management (CSPM) tools and the key capabilities organizations should evaluate to improve visibility, automate remediation, and enforce compliance across cloud environments. Key Takeaways of…

The LA Metro Attack Wasn’t Hacktivism. It Was a State Operation With a Costume On.

Iran’s “hacktivist” group Ababil of Minab, which hit LA Metro and wiped terabytes of data, is forensically linked to Iran’s intelligence service MOIS. In late March, a group calling itself Ababil of Minab posted videos and screenshots online claiming it had broken into the Los Angeles County Metropolitan Transportation Authority, wiped hundreds of terabytes of…

CrowdStrike disrupts Glassworm botnet that preyed on open-source supply chain

CrowdStrike has dismantled the Glassworm botnet in an operation aided by Google and Shadowserver, stripping the operators’ access to infrastructure that helped threat actors infect hundreds of pieces of open-source software with malware since early 2025, the company said Tuesday.  The coordinated effort involved the simultaneous takedown of four attacker-controlled servers that were designed to…

10 of the Best Patch Management Service Providers in 2026

This guide is for IT leaders, security teams, and system administrators looking to streamline vulnerability remediation and automate software updates in 2026. It covers the best patch management service providers and the key features organizations should evaluate to improve endpoint security, reduce operational overhead, and strengthen overall IT resilience. Key Points on Patch Management Solutions…

6 Under-the-Radar Vendors That Supercharge Breach and Attack Simulation in 2026

This guide is for IT leaders and security teams looking to validate their defenses against real-world cyberattacks in 2026. It covers the top breach and attack simulation (BAS) solutions and the key capabilities organizations should evaluate to strengthen endpoint, cloud, and network security resilience. Key Takeaways of BAS Solutions in 2026 Breach and attack simulation…

The 6 Best Email Security Software & Solutions in 2026 (Compared and Reviewed)

This guide is for IT leaders, security teams, and business decision-makers looking to strengthen email protection against phishing, malware, and business email compromise attacks. It covers the best email security software solutions in 2026, along with the key features, pricing considerations, and deployment factors to evaluate before choosing a platform. Key Takeaways for Email Security…

Fake ChatGPT and Claude installers on GitHub are dropping Deno RAT malware

Attackers are hosting counterfeit installers and plugins on GitHub and SourceForge that pose as widely used software, including ChatGPT, Claude, AutoTune, Kontakt, Ableton Live, and ZENOLOGY. The downloads deliver a backdoor called DinDoor, which then loads a remote access Trojan built on the Deno JavaScript runtime, according to Malwarebytes. Compromised YouTube channels push victims toward…

How cybersecurity firms took down Glassworm botnet in one shot

Glassworm infected developers through poisoned tools and packages until a coordinated takedown killed all four of its C2 channels at once. On May 26, 2026, at 14:00 UTC, CrowdStrike Counter Adversary Operations team, working with Google and the Shadowserver Foundation, killed all four command-and-control channels of the Glassworm botnet at the same time. The timing…

Inside ANY.RUN’s 10-Year Evolution: An Interview with CEO Aleksey Lapshin

What happens when a malware analyst decides to build a product he always wished he had? The case of ANY.RUN tells us that ten years later it may turn into an industry-standard solution, adopted by 74 Fortune 100 companies.  Celebrating a decade of ANY.RUN, CEO Aleksey Lapshin shared his perspective on the evolution of the company,…

The NSA, ‘Mythos’ and the quiet emergence of AI cyber doctrine

For most of my career running security operations, the shape of cyber conflict has been defined by who could move faster than the other side. Faster at identifying a vulnerability, faster at patching, faster at detecting, faster at responding. The last few months have made me reevaluate that framing. Speed still matters. It just no…

Microsoft previews automatic device isolation in Defender for Endpoint

Microsoft is previewing a new automatic device isolation capability in Defender for Endpoint’s auto attack disruption tool to help security pros contain cyber attacks in progress on their IT networks. The company announced the capability earlier this month in a column about new features in Defender. There’s no word on when automatic device isolation will…

Microsoft previews automatic device isolation in Defender for Endpoint

Microsoft is previewing a new automatic device isolation capability in Defender for Endpoint’s auto attack disruption tool to help security pros contain cyber attacks in progress on their IT networks. The company announced the capability earlier this month in a column about new features in Defender. There’s no word on when automatic device isolation will…

TeamPCP Compromised LiteLLM in AI Supply Chain Attack

A supply chain attack targeting the open-source AI ecosystem shows how threat actors are increasingly abusing developer tools and AI infrastructure to steal credentials and compromise cloud environments.  Researchers found that TeamPCP compromised LiteLLM, a widely used open-source Python library that connects applications to more than 100 LLM providers through OpenAI-compatible APIs.   The attack reportedly…

CrowdStrike Disrupts Glassworm Supply Chain Botnet 

CrowdStrike announced the coordinated takedown of the Glassworm botnet, a large-scale operation that targeted software developers through compromised open-source packages, malicious VSCode extensions, and poisoned GitHub repositories.  The operation, conducted alongside Google and the Shadowserver Foundation, disrupted the botnet’s infrastructure and severed communication between the operators and infected systems. “In collaboration with Google and the…

Well-architected best practices for software supply chain security

There have been multiple notable supply chain attacks using the npm Registry since September: Shai-Hulud, Chalk/Debug, one abusing tea.xyz tokens, and recently axios. Thanks to community efforts involving the Amazon Inspector team, the Open Source Security Foundation, and others, the affected packages were quickly flagged, which reduced the impact of these incidents. Supply chain attacks…

CVE-2026-48095: 7-Zip Heap Buffer Overflow Can Lead to Code Execution

CVE-2026-48095 in 7-Zip has raised fresh concerns around malicious archive handling and user-driven exploitation. According to GitHub Security Lab, the flaw is a heap buffer write overflow in 7-Zip’s NTFS archive handler that affects version 26.00 and can potentially lead to arbitrary code execution or application crashes. The issue was fixed in 7-Zip 26.01, released…

GitHub Actions abused by Megalodon attack to slip malicious commits into 5,500 repos

A large-scale automated GitHub backdooring campaign was caught pushing thousands of malicious commits into public repositories while posing as routine CI/CD upkeep. Researchers at SafeDep observed the campaign, Megalodon, touching more than five thousand repositories over a six-hour window on May 18. The attack was in the form of a malicious commit, “acac5a9,” targeting GitHub…

Major Cyber Attacks in May 2026: Fake Invitations, Agent Tesla, BlobPhish, and More

May 2026 showed how fast routine business activity can turn into real security exposure. ANY.RUN observed phishing campaigns, fileless malware delivery, credential theft, OTP interception, and remote access abuse targeting organizations across industries.  From fake invitations and banking portals to compromised B2B websites and Word Online lures, the month’s attacks had one thing in common: they were built…

TrapDoor malware campaign puts developer workstations in CISO spotlight

A malicious package campaign across npm, PyPI, and Crates.io has put developer workstations back under scrutiny, after researchers said it targeted developer workflows and AI coding assistant files. Researchers at Socket said the campaign, which they are tracking as TrapDoor, “spans more than 34 malicious packages and 384+ related versions and artifacts” across the three…

Malware Found in Laravel-Lang Composer Packages After Git Tag Poisoning Attack

Attackers have poisoned four Laravel-Lang Composer packages by rewriting hundreds of Git tags, putting many Laravel apps at risk. Hackers compromised four popular Laravel-Lang Composer packages and injected malware by rewriting more than 700 Git tags tied to historical versions. Laravel-Lang is a community-driven project that provides translation and localization files for Laravel applications. The…

Nimbus Manticore Expanded Attacks With AI-Assisted Malware and Fake Zoom Installers

Nimbus Manticore accelerated cyberattacks during wartime, using AI-assisted malware, fake Zoom installers, and SEO poisoning. When the United States launched Operation Epic Fury against Iran at the end of February 2026, most analysts expected the country’s cyber apparatus to hunker down and weather the storm. That’s not what happened. Instead, researchers at Check Point have…

Lazarus APT unveils fileless remote access Trojan designed to evade detection

North Korea-linked Lazarus APT Group is using a stealthy memory-only RAT that leaves almost no forensic traces behind. North Korea-linked APT group Lazarus has never been shy about its ambitions, the threat actor has been tied to some of the most audacious financial heists in recent memory, draining hundreds of millions from cryptocurrency exchanges and…

Product showcase: F-Secure Internet Security blocks phishing sites, fake stores, and SMS scams

F-Secure Internet Security protects against viruses, ransomware, spyware, infected email attachments, and other cyber threats. It focuses on securing devices and online activity through malware protection, scam prevention, safe browsing, and banking safeguards. The platform supports Windows, macOS, Android, and iOS devices under a single subscription. After downloading the Android app from the Play Store,…

Security experts caution MFA alone can no longer stop threat actors

Cybersecurity experts are warning enterprise admins about an increasing number of phishing campaigns aimed at stealing Microsoft 365 (M365) access tokens to bypass multifactor authentication login protection. Phishing kits aimed at capturing M365 tokens aren’t new; some reports say these kits have been around since 2021. One of the latest is EvilTokens, which researchers at…

Possible ACR Stealer From Page Impersonating Claude, (Tue, May 26th)

Introduction In recent weeks, I’ve searched for pages impersonating Claude that distribute malware. In recent weeks, I’ve reliably found these sites through malicious ads in Google searches that lead to these pages, often concealed in URLs for sites.google[.]com, such as this example from 2026-05-11. These fake Claude pages generally show instructions for macOS malware when…

The Underground Malware-Signing-as-a-Service That Makes Ransomware Look “Verified” on Windows

The Core Technical Concept: Code Signing At the center of Microsoft’s disruption of the Fox Tempest cybercrime operation is a foundational trust mechanism that modern operating systems rely on heavily: code signing. Code signing is a cryptographic trust framework used by operating systems such as Windows to verify both the integrity and origin of executable…

Ghost CMS flaw abused to push ClickFix attacks on hundreds of sites

Attackers are exploiting the patched Ghost CMS flaw CVE-2026-26980, compromising over 700 unpatched sites, including universities. Threat actors are actively exploiting a security flaw, tracked as CVE-2026-26980, in Ghost CMS that was fixed months ago in real attacks against unpatched websites. According to Qianxin, the campaign has already affected more than 700 sites, including well-known organizations and…

UAC-0057 Attack Detection: OYSTERFRESH, OYSTERSHUCK, and OYSTERBLUES Fuel Phishing Campaigns Against Ukrainian State Organizations

Phishing remains one of the most effective tools in the cybercriminal arsenal, especially when threat actors abuse trusted identities, compromised legitimate accounts, and familiar online services to increase victim interaction. Europol notes that phishing techniques remain a main distribution vector for data-stealing malware, while CERT-UA’s latest advisory shows that the same social engineering logic continues…

TeamPCP Supply Chain Campaign: Activity Through 2026-05-24, (Mon, May 25th)

TeamPCP now operates across three package ecosystems in parallel, it reached GitHub’s own internal codebase, it trojanized an officially Microsoft-published Python SDK, and it appears to have open-sourced its own framework on GitHub. Bottom line up front Three escalations stacked inside a single week. First, GitHub’s CISO Alexis Wales publicly named a malicious Nx Console…

TeamPCP Supply Chain Campaign: Activity Through 2026-05-24, (Mon, May 25th)

TeamPCP now operates across three package ecosystems in parallel, it reached GitHub’s own internal codebase, it trojanized an officially Microsoft-published Python SDK, and it appears to have open-sourced its own framework on GitHub. Bottom line up front Three escalations stacked inside a single week. First, GitHub’s CISO Alexis Wales publicly named a malicious Nx Console…

Lazarus Deploys RemotePE Memory-Only RAT Against Financial and Crypto Firms

Cybersecurity researchers have shed light on a cross-platform malware called RemotePE that has been put to use by the North Korea-linked Lazarus Group in attacks targeting financial and cryptocurrency organizations. RemotePE, per NCC Group subsidiary Fox-IT, is part of a multi-stage attack chain that involves two loaders tracked as DPAPILoader and RemotePELoader. “DPAPILoader decrypts and

TrapDoor Supply Chain Attack Spreads Credential-Stealing Malware via npm, PyPI, and CratesIO

A new coordinated cross-ecosystem software supply chain attack campaign has targeted npm, PyPI, and Crates.io to distribute credential-stealing malware. The campaign, codenamed TrapDoor, spans more than 34 malicious packages across over 384 versions. The earliest activity was recorded on May 22, 2026, at 8:20 p.m. UTC, with new packages published to the ecosystems in waves…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 98

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Popular node-ipc npm Package Infected with Credential Stealer  New Actors Deploy Shai-Hulud Clones: TeamPCP Copycats Are Here Active Supply Chain Attack Compromises @antv Packages on npm actions-cool/issues-helper GitHub Action Compromised: All Tags Point to…

Security Affairs newsletter Round 578 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CVE-2026-9082: Drupal’s Highly Critical SQL Injection Flaw Is Already Under Active Attack Why pure extortion is…

Ghostwriter Is Back, Using a Ukrainian Learning Platform as Bait to Hit Government Targets

Ghostwriter targeted Ukrainian government agencies with phishing emails delivering malware and Cobalt Strike payloads. The Belarus-nexus APT group Ghostwriter (also tracked as UAC-0057 and UNC1151) has resurfaced with a new phishing campaign targeting Ukrainian government organizations. This time the lure is Prometheus, a legitimate Ukrainian online learning platform that many government employees actually use. Using…

An Example of Stack String in High Level Language, (Sat, May 23rd)

This week, I’m attending the SEC670[1] training (“Red Teaming Tools – Developing Windows Implants, Shellcode, Command and Control”). From my point of view, this training fits perfectly with FOR610 or FOR710 (malware analysis) because it addresses malware from the opposite: Instead of performing reverse engineering, you write malicious code! Always interesting to have another point…

FBI warns about fast-growing phishing kit targeting Microsoft 365 users

The FBI is warning organizations and defenders about Kali365, a growing phishing-as-a-service platform that retrieves Microsoft 365 access tokens, issuing a public service announcement Thursday.  The toolkit bypasses multi-factor authentication and abuses OAuth device code authorizations via phishing lures impersonating common enterprise services. This technique grants cybercriminal-controlled applications access to Microsoft 365 accounts, opening victims…

AI-Driven Threats, Critical Vulnerabilities, and Supply Chain Breaches Define the Week in May 2026

Major Threats & Vulnerabilities AI-Powered Cyberattacks and Exploits The 2026 Verizon DBIR revealed that vulnerability exploitation has surpassed credential abuse as the leading breach vector, accounting for 31% of incidents. The report highlights how generative AI is accelerating attack automation and expanding third-party risk exposure, particularly among SMBs facing ransomware threats. Microsoft Defender vulnerabilities are…

Authorities arrest 23-year-old accused of running the Kimwolf botnet

Canadian authorities arrested a 23-year-old Ottawa man accused of running the Kimwolf DDoS botnet. The US is now seeking extradition. US authorities have charged 23-year-old Jacob Butler (aka “Dort”), an Ottawa resident, for allegedly operating the recently disrupted Kimwolf botnet. Authorities arrested the suspect in Canada, he could face up to 10 years in prison…

CVE-2026-45585: YellowKey BitLocker Bypass Exposes Encrypted Data on Windows Devices

BitLocker is designed to protect data at rest even when a device is lost, stolen, or powered off, which is why a bypass against that trust model draws immediate attention. The CVE-2026-45585 vulnerability, publicly referred to as YellowKey, is a Windows security feature bypass flaw that Microsoft says can let an attacker with physical access…

Why your AI strategy stops where the PLC starts: Hard lessons from the OT frontlines

I spent two days at a substation connecting a major offshore wind farm to the grid. The control room featured three new AI-ready dashboards and a board mandate to “leverage machine learning for resilience.” It also had a maintenance laptop running Windows 7, literally taped to the inside of a cabinet because the Velcro had…

Identity as the primary attack surface: What modern breaches are really exploiting

The “retro” way “The thing about the old days is… they are the old days” – Slim Charles, The Wire Protecting a specified network perimeter was the main focus of enterprise security strategy for several decades. Businesses made significant investments in firewalls, intrusion detection systems, endpoint security and segmentation controls, all of which were built…

One Telecom Provider Hosted Most of the Middle East ’s Active C2 Infrastructure

Hunt.io mapped 1,350+ C2 servers across the Middle East, revealing how a small group of providers quietly supports major malware activity. For years, threat intelligence focused mostly on malware families, phishing domains, and individual indicators. But a new report from Hunt.io shows why defenders may need to pay closer attention to something more boring, hosting…

Cross-Platform NPM Stealer, (Fri, May 22nd)

I found a Node.js stealer that looked pretty well obfuscated. The file was not running out-of-the-box because it was uploaded on VT as “extracted-decoded.js” (and reformated). The SHA256 is 049300aa5dd774d6c984779a0570f59610399c71864b5d5c2605906db46ddeb9[1]. It did not run properly in a sandbox so only a static analysis was performed. The key point is that it is a cross-platform stealer…

Microsoft patches two zero-day flaws in Defender

Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or cause the anti-malware service to stop working correctly. Both conditions are valuable in a malware attack, first to prevent detection if the system relies only on Microsoft endpoint protection…

CISA chief frets about open-source vulnerabilities, delayed security improvements

Securing some of the open-source technology that serves as the backbone for all modern digital infrastructure is going to require some “hard decisions” amid a wave of malware attacks, the leader of the Cybersecurity and Infrastructure Security Agency said Thursday. “The open-source community is one that I’m particularly worried about when we start to think…

2026 Verizon DBIR: The New Era of Cyber Threats 

The 2026 Verizon Data Breach Investigations Report (DBIR) paints a clearer picture of today’s cybersecurity landscape: attackers are moving faster, artificial intelligence is accelerating cybercrime, and organizations continue to struggle with foundational security practices.  Key Takeaways from the 2026 Verizon DBIR Report Vulnerability exploitation (31%) overtook credential abuse (13%) as the top initial access vector…

Showboat Linux Malware Hits Middle East Telecom with SOCKS5 Proxy Backdoor

Cybersecurity researchers have disclosed details of a new Linux malware dubbed Showboat that has been put to use in a campaign targeting a telecommunications provider in the Middle East since at least mid-2022. “Showboat is a modular post-exploitation framework designed for Linux systems, capable of spawning a remote shell, transferring files, and functioning as a…

Your AI Agent Doesn’t Care About Your Controls

This is Part 1 of a 2-part series on AI agents and control assurance.  Read Part 2: Controlling AI Agents: Why Detection Is Too Late The cybersecurity industry has spent years investing in visibility. Dashboards have improved, detection tooling has matured, and the volume of telemetry available to security teams has increased significantly. Most organisations…

Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)

Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known Exploited Vulnerabilities catalog. The vulnerabilities CVE-2026-41091 allows for local privilege elevation (LPE), and is caused by the Microsoft Malware Protection Engine improperly resolving links before accessing files. “An attacker who successfully exploited this vulnerability…

AI becoming an SOC imperative for curtailing emerging cyber threats

The cybersecurity profession is on the verge of a sea change, and security pros must begin to master AI tools to combat emerging threats by building more autonomous, real-time protections. Expert panelists at a recent DTX conference session in Manchester, titled “Bot vs Bot: Surviving the Era of Autonomous Cyber Warfare,” highlighted how bringing AI…

Browser Threats Are Expanding the SMB Attack Surface 

Small and mid-sized businesses (SMBs) are facing a growing wave of cyberattacks, and according to Palo Alto Networks, many of those threats are now originating directly inside the browser.  During a recent discussion with eSecurityPlanet, Shivam Srivastava, VP of Product Management for Prisma Browser for Business at Palo Alto Networks, discussed the growing cybersecurity challenges…

Microsoft Disrupts Malware-Signing Service Used by Ransomware Gangs

Microsoft says it disrupted a malware-signing service that abused Azure Artifact Signing to create fraudulent certificates used in ransomware and malware attacks.  The Fox Tempest operation allegedly helped cybercriminals distribute malware disguised as trusted software to evade Windows defenses and fool users.   “Fox Tempest doesn’t directly target victims but instead provides supporting services that enable…

GitHub admits major source code leak after 3,800 internal repositories breached

Microsoft’s GitHub has suffered what appears to be its biggest ever security breach after confirming that attackers exfiltrated code from around 3,800 of the company’s internal repositories. News of the incident first emerged on May 19, when GitHub said it was investigating “unauthorized access.” Hours later, the company’s X account confirmed the worst: “Yesterday we…

GitHub says internal repositories were taken in poisoned VS Code extension attack

GitHub said late Tuesday that internal repositories were exfiltrated after an employee device was compromised through a poisoned Visual Studio Code extension, an incident that underscores the growing risks facing software development platforms and the ecosystems built around third-party developer tools. The Microsoft-owned company said in posts on X that it detected and contained the…