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Category: malware

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CloudZ RAT Abuses Windows Phone Link to Steal OTPs

A malware campaign is exploiting a built-in Windows feature to intercept sensitive data — without ever touching the victim’s phone.  Cisco Talos researchers identified the CloudZ remote access trojan (RAT) using a custom plugin to monitor Microsoft’s Phone Link application and potentially capture SMS-based one-time passwords (OTPs). “MFA bypass is becoming a bigger and bigger…

From Android TVs to routers: the xlabs_v1 Mirai-based botnet built for DDoS attacks

A new Mirai‑based botnet, xlabs_v1, hijacks ADB‑exposed IoT devices for powerful DDoS attacks, with 21 flooding methods and DDoS‑for‑hire use. A new Mirai‑derived botnet called xlabs_v1 is hijacking internet‑exposed devices running Android Debug Bridge (ADB) and using them for large‑scale DDoS attacks. Hunt.io discovered the bot on an unsecured server, it includes 21 flood techniques…

PyPI Packages Deliver ZiChatBot Malware via Zulip APIs on Windows and Linux

Cybersecurity researchers have discovered three packages on the Python Package Index (PyPI) repository that are designed to stealthily deliver a previously unknown malware family called ZiChatBot on Windows and Linux systems. “While these wheel packages do implement the features described on their PyPI web pages, their true purpose is to covertly deliver malicious files,” Kaspersky 

Mirai-Based xlabs_v1 Botnet Exploits ADB to Hijack IoT Devices for DDoS Attacks

Cybersecurity researchers have exposed a new Mirai-derived botnet that self-identifies as xlabs_v1 and targets internet-exposed devices running Android Debug Bridge (ADB) to enlist them in a network capable of carrying out distributed denial-of-service (DDoS) attacks. Hunt.io, which detailed the malware, said it made the discovery after identifying an exposed directory on a Netherlands-hosted

Iranian cyber espionage disguised as a Chaos Ransomware attack

Iran-linked APT MuddyWater used ransomware-style tactics to mask espionage, combining phishing, credential theft, data exfiltration, and extortion without encryption. A newly discovered cyber intrusion attributed to the Iran-linked APT MuddyWater (aka SeedWorm, TEMP.Zagros, Mango Sandstorm, TA450, and Static Kitten) reveals how state-sponsored attackers are increasingly leveraging ransomware tactics to disguise espionage operations. The campaign, uncovered by security researchers at Rapid7, blended…

CVE-2026-23918: Critical Apache HTTP/2 Flaw Can Trigger DoS and Possible RCE

Apache has patched CVE-2026-23918, a critical flaw in Apache HTTP Server’s HTTP/2 handling that Apache describes as a “double free and possible RCE.” The issue affects Apache HTTP Server 2.4.66 and was fixed in 2.4.67, released on May 4, 2026. The CVE-2026-23918 vulnerability matters because it can be abused remotely and without authentication. Public reporting…

CVE-2026-23918: Critical Apache HTTP/2 Flaw Can Trigger DoS and Possible RCE

Apache has patched CVE-2026-23918, a critical flaw in Apache HTTP Server’s HTTP/2 handling that Apache describes as a “double free and possible RCE.” The issue affects Apache HTTP Server 2.4.66 and was fixed in 2.4.67, released on May 4, 2026. The CVE-2026-23918 vulnerability matters because it can be abused remotely and without authentication. Public reporting…

CVE-2026-0300: Palo Alto PAN-OS Zero-Day Enables Root RCE on Exposed Firewalls

Edge security appliances remain high-value targets, especially when a flaw can be exploited before a patch is widely available. The CVE-2026-0300 vulnerability is a critical buffer overflow in the User-ID Authentication Portal, also known as Captive Portal, in Palo Alto Networks PAN-OS. Palo Alto rates it 9.3/10 when the portal is exposed to the internet…

CVE-2026-0300: Palo Alto PAN-OS Zero-Day Enables Root RCE on Exposed Firewalls

Edge security appliances remain high-value targets, especially when a flaw can be exploited before a patch is widely available. The CVE-2026-0300 vulnerability is a critical buffer overflow in the User-ID Authentication Portal, also known as Captive Portal, in Palo Alto Networks PAN-OS. Palo Alto rates it 9.3/10 when the portal is exposed to the internet…

How CISOs Reduce Cyber Risk with MITRE ATT&CK 

Nowadays CISOs face escalating threats that outpace traditional defenses. The strategy is evolving from compliance-driven checklists to a threat-informed approach. MITRE ATT&CK provides a globally accessible knowledge base of real-world adversary tactics, techniques, and procedures (TTPs), enabling organizations to understand, prioritize, and counter actual attacker behaviors rather than abstract controls.  This shift helps align security efforts with business…

Malicious PyTorch Lightning update hits AI supply chain security

A malicious PyTorch Lightning update (v2.6.3) on PyPI spread briefly, stealing credentials and raising major concerns about AI supply chain security. A malicious update of the PyTorch Lightning library exposed developers to credential theft and remote compromise. Attackers uploaded version 2.6.3 to the Python Package Index (PyPI), where it spread among developers before maintainers removed…

CISA wants critical infrastructure to operate ‘weeks to months’ in isolation during conflict

The Cybersecurity and Infrastructure Security Agency is urging critical infrastructure owners and operators to plan for delivering essential services under emergency conditions – potentially for months at a time. The federal government’s top cybersecurity agency warned that state-sponsored hackers, particularly two Chinese groups known as Salt Typhoon and Volt Typhoon, continue to threaten critical sectors…

Supply-chain attacks take aim at your AI coding agents

Attackers too are looking to cash in on the AI coding craze, adapting their supply-chain techniques to target coding agents themselves. Many AI agents autonomously scan package registries such as NPM and PyPI for components to integrate into their coding projects, and attackers are beginning to take advantage of this. Bait packages with persuasive descriptions…

Edge browser leaves passwords exposed in plain text, says researcher

A Norwegian researcher has identified an issue with Microsoft Edge’s Password Manager that could be a serious concern for businesses. Tom Jøran Sønstebyseter Rønning found that passwords are being saved within the browser in plain text, with the effect that any PC, particularly a shared machine, within an organization is a potential risk. In a…

Edge browser leaves passwords exposed in plain text, says researcher

A Norwegian researcher has identified an issue with Microsoft Edge’s Password Manager that could be a serious concern for businesses. Tom Jøran Sønstebyseter Rønning found that passwords are being saved within the browser in plain text, with the effect that any PC, particularly a shared machine, within an organization is a potential risk. In a…

CISA boasts AI automation improvements to threat analysis, mission support

The Cybersecurity and Infrastructure Security Agency has gotten “by far” the biggest gains from artificial intelligence automation in its security operations unit to help analysts sift through threats, but it’s also proven valuable elsewhere within the agency, CISA officials said Tuesday. It’s “really allowing those analysts to do triage very fast, so they focus on…

China-Linked UAT-8302 Targets Governments Using Shared APT Malware Across Regions

A sophisticated China-nexus advanced persistent threat (APT) group has been attributed to attacks targeting government entities in South America since at least late 2024 and government agencies in southeastern Europe in 2025. The activity is being tracked by Cisco Talos under the moniker UAT-8302, with post-exploitation involving the deployment of custom-made malware families that have…

New Phishing Campaign Targets US with Credential Theft: What CISOs Need to Know

A new large-scale phishing campaign is targeting U.S. organizations with fake event invitations that lead to credential theft, OTP interception, or RMM tool installation. ANY.RUN researchers found that the campaign uses a repeatable phishing framework to create event-themed lure pages at scale. Some pages steal email credentials and OTP codes, while others deliver legitimate remote…

Stealthy malware abuses Microsoft Phone Link to siphon SMS OTPs from enterprise PCs

A newly identified malware campaign is abusing Microsoft’s Phone Link feature to intercept SMS-based one-time passwords and other sensitive mobile data directly from Windows systems. The activity, first observed by Cisco Talos in January 2026, involves a remote access trojan dubbed CloudZ and a custom plugin named Pheno that together allow attackers to harvest credentials…

Stealthy malware abuses Microsoft Phone Link to siphon SMS OTPs from enterprise PCs

A newly identified malware campaign is abusing Microsoft’s Phone Link feature to intercept SMS-based one-time passwords and other sensitive mobile data directly from Windows systems. The activity, first observed by Cisco Talos in January 2026, involves a remote access trojan dubbed CloudZ and a custom plugin named Pheno that together allow attackers to harvest credentials…

Hackers target governments and MSPs via critical cPanel flaw CVE-2026-41940

Attackers exploit a critical cPanel flaw to target government and MSP networks across Southeast Asia and several countries, including the U.S. and Canada. A threat actor is exploiting critical cPanel vulnerability CVE-2026-41940 to target government and military organizations in Southeast Asia, along with MSPs and hosting providers in countries like the Philippines, Laos, Canada, South…

Microsoft Defender Flags DigiCert Certificates as Malware 

A recent Microsoft Defender update incorrectly flagged legitimate DigiCert root certificates as malware, triggering widespread alerts.  In some cases, it also removed trusted certificates from Windows systems, causing disruption.  “Earlier today we determined false positive alerts were mistakenly triggered and updated the alert logic,” Microsoft said, as reported by BleepingComputer.   Inside the DigiCert False Positive…

TeamPCP Weekly Analysis: 2026-W18 (2026-04-27 through 2026-05-03), (Mon, May 4th)

Summary The most significant development of the week was the April 29 to 30 Mini Shai-Hulud worm, a self-propagating supply chain campaign that compromised four official SAP npm packages, two PyTorch Lightning PyPI versions, two intercom-client npm versions, and the intercom-php Packagist package across three package ecosystems. OX Security tracked roughly 1,800 GitHub repositories created…

DigiCert breached via malicious screensaver file

A targeted social engineering attack against DigiCert’s support channel led to the compromise of internal systems and the unauthorized issuance of EV Code Signing certificates. DigiCert is a global Certificate Authority (CA) providing digital trust services, specializing in TLS/SSL certificates, PKI management, and IoT security. According to DigiCert’s incident report, a threat actor contacted the…

Multiple threat actors actively exploit cPanel vulnerability (CVE-2026-41940)

The situation around the critical cPanel authentication bypass vulnerability (CVE-2026-41940) has deteriorated significantly since our initial coverage. Exploratory probing has evolved into multi-actor exploitation, leading to disrupted websites, ransomware and malware deployment, and targeted attacks. “Sorry” ransomware Attackers have taken advantage of CVE-2026-41940 to mass-exploit vulnerable internet-facing cPanel instances to breach servers, deface websites and…

Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing in India and Russia

The China-based cybercrime group known as Silver Fox has been linked to a new campaign targeting organizations in Russia and India with a new malware called ABCDoor. The activity involved using phishing emails that mimic correspondence from the Income Tax Department of India in December 2025, followed by a similar campaign aimed at Russian entities.…

The fake IT worker problem CISOs can’t ignore

Hiring fake IT workers has been a growing problem in recent years — but it’s often a problem very few want to admit to. From Fortune 500 companies down to smaller organizations, remote hiring practices have been exploited to grant trusted access to individuals who are not who they claim to be creating an insider…

Quasar Linux (QLNX) – A Silent Foothold in the Supply Chain: Inside a Full-Featured Linux RAT With Rootkit, PAM Backdoor, Credential Harvesting Capabilities

TrendAI™ Research breaks down Quasar Linux (QLNX), a previously undocumented sophisticated Linux RAT with low detection rates. In this blog, we examine a full-featured Linux threat incorporating a rootkit, a PAM backdoor, credential harvesting, and more, revealing how this malware enables stealthy access, persistence, and potential supply-chain attacks.

Salt Typhoon breach IBM subsidiary in Italy: a warning for Europe’s digital defenses

April 2026 breach at Sistemi Informativi (IBM Italy) raises concerns over Chinese-linked cyber ops in Europe, including Salt Typhoon. In late April 2026, the Italian cybersecurity landscape was shaken by a significant breach targeting Sistemi Informativi, a company wholly owned by IBM Italy that provides IT infrastructure management for key public and private institutions. The…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 95

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter fast16 | Mystery ShadowBrokers Reference Reveals High-Precision Software Sabotage 5 Years Before Stuxnet  73 Open VSX Sleeper Extensions Linked to GlassWorm Show New Malware Activations   An alarm clock you can’t ignore: How CapFix attacks…

Security Affairs newsletter Round 575 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. Two US cybersecurity experts sentenced in ransomware case, third awaits July ruling Trellix discloses the breach…

Two US cybersecurity experts sentenced in ransomware case, third awaits July ruling

Two US security experts were sentenced to 4 years for helping ransomware attacks. A third accomplice pleaded guilty and awaits sentencing. Two US cybersecurity professionals, Ryan Goldberg and Kevin Martin, were sentenced to four years in prison for their role in supporting ransomware attacks. Both pleaded guilty to conspiracy involving extortion. A third individual, Angelo…

New Deep#Door RAT uses stealth and persistence to target Windows

Deep#Door hides a Python RAT inside a batch file, kills Windows defenses, survives via multiple persistence methods, and exfiltrates data through a public TCP tunnel. Security researchers at Securonix uncovered a sophisticated malware campaign called Deep#Door. Threat actors employed a stealthy Python-based backdoor that uses a surprisingly simple delivery method to achieve deep, persistent access…

Digital attacks drive a new wave of cargo theft, FBI says

The FBI warns of rising cyber cargo theft, with hackers targeting brokers and carriers. Experts say digital attacks are replacing traditional cargo theft. The FBI has issued a Public Service Announcement (PSA) about a surge in cyber-enabled cargo theft, with hackers increasingly targeting brokers and carriers. This trend confirms earlier findings from Proofpoint and alerts…

‘Trivial’ exploit can give attackers root access to Linux kernel

CSOs must ensure their Linux-based systems block unauthorized privilege escalation until distros release patches to plug a serious kernel vulnerability affecting all Linux distributions shipped since 2017. Until fixes are available for what’s been dubbed the Copy Fail logic bug (CVE-2026-31431), which lets users easily obtain root access, there isn’t much CSOs can do, says…

SAP npm Supply Chain Attack Targets Developer Credentials 

A supply chain attack targeting SAP npm packages is putting enterprise development environments at risk.  Aikido researchers discovered malicious code designed to steal credentials and secrets from developer systems and CI/CD pipelines.  The attack “… harvests local developer credentials, GitHub and npm tokens, GitHub Actions secrets, and cloud secrets from AWS, Azure, GCP, and Kubernetes,”…

How Criminals Created SMS Blasters to Fake Cellphone Towers and Hack Thousands of Phones in Canada

Canadian authorities have dismantled what appears to be one of the most technically sophisticated financially motivated telecom attacks publicly documented in North America after arresting three suspects accused of operating vehicle-mounted “SMS blaster” systems that impersonated legitimate cellular towers, induced nearby mobile devices into attaching to rogue infrastructure, delivered phishing messages to those devices—likely through…

Anti-DDoS Firm Heaped Attacks on Brazilian ISPs

A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm’s chief executive says the malicious activity resulted from a security breach and was likely the work…

CVE-2026-41940: Critical cPanel & WHM Authentication Bypass Exposes Hosting Servers to Admin Takeover

A newly disclosed CVE-2026-41940 vulnerability in cPanel & WHM has put internet-facing hosting infrastructure under urgent scrutiny. The flaw carries a CVSS score of 9.8 and can let an unauthenticated remote attacker bypass authentication and gain administrative access, while cPanel’s advisory says the issue affects cPanel software, including DNSOnly, across all versions after 11.40. For…

Release Notes: Expanded Threat Intelligence Access, AI Assisted Search 1,770 New Detections and More

April brought several updates across ANY.RUN’s Threat Intelligence and detection coverage.  The biggest change is expanded access to Threat Intelligence: Free plan users now get 20 premium requests in TI Lookup and YARA Search. This gives security teams a practical way to check suspicious indicators, explore related sandbox sessions, and validate malware or phishing activity using real attack…

SAP npm package attack highlights risks in developer tools and CI/CD pipelines

A supply chain attack on SAP-related npm packages has put fresh scrutiny on the developer tools and build workflows that enterprises rely on to produce software. The campaign, referred to as “mini Shai-Hulud,” affected packages used in SAP’s JavaScript and cloud application development ecosystem. The malicious versions added installation-time code that could steal developer credentials,…

Researchers unearth industrial sabotage malware that predated Stuxnet by 5 years

Designed to cripple Iran’s nuclear enrichment program, the 2010 Stuxnet worm set a cybersecurity precedent as the first time a nation escalated its activities from strategic espionage to sabotage in cyberspace. Now, a new discovery suggests such operations were in full swing years before Stuxnet came to light. Researchers from SentinelOne have tracked down samples…

SAP npm Packages Compromised by “Mini Shai-Hulud” Credential-Stealing Malware

Cybersecurity researchers are sounding the alarm about a new supply chain attack campaign targeting SAP-related npm Packages with credential-stealing malware. According to reports from Aikido Security, SafeDep, Socket, StepSecurity, and Google-owned Wiz, the campaign – calling itself the mini Shai-Hulud – has affected the following packages associated with SAP’s JavaScript and cloud application

Margin vs. Madness: Fixing MSSP Top 5 Operational Nightmares

Leading a managed security services provider has never been a comfortable job. And it isn’t now, though the demand for MSSPs has never been higher. The global threat landscape is expanding faster than most enterprise security teams can keep pace with, and organizations across every sector are turning to managed providers to fill the gap.   For MSSP leaders, this…

More fake extensions linked to GlassWorm found in Open VSX code marketplace

The threat actor seeding the Open VSX code marketplace with fraudulent extensions that download the GlassWorm malware has uploaded 73 more impersonated links, as its attempt to infect software supply chains continues. Philipp Burckhardt, head of threat intelligence at Socket, which revealed the latest activity, called it a “significant escalation” in the gang’s activity, after…

7 Best Network Security Tools to Use in 2026

This guide is for IT professionals, security teams, and business leaders looking to strengthen network defenses in 2026. It covers the best network security tools to protect data and help reduce overall organizational risk. Network security tools incorporate hardware and software technologies, methods, and policies to preserve network integrity and prevent potential breaches. These tools…

6 Best Intrusion Detection & Prevention Systems in 2026

This guide is for IT leaders, security teams, and network administrators looking to strengthen threat detection and response in 2026. It covers the top intrusion detection and prevention systems (IDPS) and key features to consider when choosing the right solution. Network security is not just about keeping the bad guys out. It’s about having a…

Brazilian LofyGang Resurfaces After Three Years With Minecraft LofyStealer Campaign

A cybercrime group of Brazilian origin has resurfaced after more than three years to orchestrate a campaign that targets Minecraft players with a new stealer called LofyStealer (aka GrabBot). “The malware disguises itself as a Minecraft hack called ‘Slinky,’” Brazil-based cybersecurity company ZenoX said in a technical report. “It uses the official game icon to…

Guardz Warns MSPs of Cloud Ransomware and BEC Risks

Today, cybersecurity firm Guardz released its 2026 State of MSP Threat Report, a deep dive into how Artificial Intelligence and identity-first attacks have completely flipped the script for MSPs and the small businesses they protect.  The report reveals that AI has officially killed the obvious phishing email. Gone are the days of spotting a scam…

Signal Phishing Campaign Targets German Officials in Suspected Russian Operation

Suspected Russian phishing via Signal targeted German officials, exploiting trust to access accounts and sensitive political communications. A new wave of cyber operations targeting European political leadership is once again highlighting how modern espionage increasingly relies on deception rather than technical exploits. Recent investigations by German authorities point to a large-scale phishing campaign conducted via…

Phishing-to-RMM Attacks: The Remote Access Blind Spot CISOs Can’t Ignore 

CISOs are under pressure to prove that their security programs can detect threats early, reduce business risk, and support fast, confident response. But that becomes harder when attackers stop relying on obviously malicious tools. In recent phishing-to-RMM campaigns observed by ANY.RUN analysts, threat actors are using fake Microsoft, Adobe, and OneDrive pages to deliver legitimate…

New Android spyware Morpheus linked to Italian surveillance firm

Osservatorio Nessuno uncovered Morpheus spyware spreading via fake Android apps to steal data, highlighting rising covert surveillance tools. The non-partisan, non-religious, nonprofit organization Osservatorio Nessuno exposed a new spyware called Morpheus, distributed through fake Android apps posing as updates. Once installed, it can steal extensive data from the infected devices. The report shows strong demand…

Infected Cisco firewalls need cold start to clear persistent Firestarter backdoor

Security researchers have discovered a chilling backdoor aimed at Cisco System firewalls that exploits unpatched vulnerabilities to maintain persistence, even after patching. This means that attackers can continue to access compromised devices without re-exploiting the holes. At risk are devices running Cisco ASA or Firepower software, including certain Firepower and Secure Firewall devices. So far, however,…

Best Zero Trust Security Solutions in 2026

This guide is targeted toward IT and security teams looking to get more granular access control and reduce implicit trust across applications and systems in 2026. It introduces zero trust and top zero trust solutions. A presidential executive order mandating a zero trust strategy for federal agencies has raised the profile of the cybersecurity technology…

Optimize security operations through an AWS Security Hub POC

April 27, 2026: This post was first published in September 2025 when the enhanced AWS Security Hub was in public preview. It has since been updated to reflect the general availability of Security Hub. This revision also provides a more detailed, step-by-step framework for planning your POC. AWS Security Hub prioritizes your critical security issues…

TeamPCP Supply Chain Campaign: Update 008 – 26-Day Pause Ends with Three Concurrent Compromises (Checkmarx KICS, Bitwarden CLI Cascade, xinference PyPI), CanisterSprawl npm Worm Identified, and Tier 1 Coverage Returns, (Mon, Apr 27th)

This update succeeds TeamPCP Supply Chain Campaign Update 007, published April 8, 2026, which left the campaign in credential-monetization mode following the Cisco source code theft via Trivy-linked credentials, Google GTIG’s formal designation of the operators as UNC6780 (with their credential stealer named SANDCLOCK), and the lapsed CISA KEV remediation deadline for CVE-2026-33634 with no standalone…

The Best VPNs for Small Businesses on a Budget in 2026

One wrong click. One rogue Wi-Fi connection. One stolen credential. That’s all it takes for a cybercriminal to breach your small business. And while you may not have an enterprise-sized budget, you still have plenty to lose: sensitive data, client trust, even your reputation. That’s where a virtual private network (VPN) comes in. A VPN…

Fast16: Pre-Stuxnet malware that targeted precision engineering software

Fast16 is a pre-Stuxnet malware that tampered with precision software and spread itself. Evidence suggests links to U.S. operations during early cyber tensions. SentinelOne uncovered Fast16, a sabotage malware used in 2005, years before Stuxnet. The malicious code is written in Lua and targeted high-precision calculation software, altering results and spreading across systems. The malware…

Italy moves to extradite Chinese national to the U.S. over hacking charges

Italy plans to extradite Xu Zewei to the U.S. over alleged hacks on COVID-19 research tied to state-backed operations. Italy is moving to extradite Xu Zewei, the Chinese national arrested in 2025 at the request of U.S. authorities on cyber-espionage charges, Bloomberg reported. The case stands out because it ties a single suspect, Xu, to…

GopherWhisper: new China-linked APT targets Mongolia with Go-based malware

ESET found a new China-linked APT, tracked as GopherWhisper, targeting Mongolia using Go-based malware, loaders, and backdoors. ESET researchers uncovered a new China-aligned APT group called GopherWhisper, targeting government institutions in Mongolia. The group’s arsenal includes a range of tools mainly written in Go, such as loaders and injectors, which are used to deploy multiple…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 94

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Morpheus: A new Spyware linked to IPS Intelligence The iPhone — invincible no more: a look at DarkSword and Coruna   Lotus Wiper: a new threat targeting the energy and utilities sector  New NGate variant hides in…

Trigona ransomware adopts custom tool to steal data and evade detection

Trigona ransomware now uses a custom command-line tool to steal data faster and evade detection, replacing tools like Rclone and MegaSync. Symantec researchers report that recent Trigona ransomware attacks used a custom-built data exfiltration tool instead of common utilities like Rclone or MegaSync. This shift, seen in March 2026 incidents, gives attackers more control and…

Security Affairs newsletter Round 574 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. U.S. CISA adds SimpleHelp, Samsung, and D-Link flaws to its Known Exploited Vulnerabilities catalog Over 400,000…

Week in review: Claude Mythos finds 271 Firefox flaws, Vercel breach

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: SmokedMeat: Open-source tool shows what attackers do inside CI/CD pipelines Boost Security has released SmokedMeat, an open-source framework that runs attack chains against CI/CD infrastructure so engineering and security teams can see what an attacker would do in their specific…

U.S. CISA adds SimpleHelp, Samsung, and D-Link flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds SimpleHelp, Samsung, and D-Link flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added SimpleHelp, Samsung, and D-Link flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2024-7399 Samsung MagicINFO 9 Server Path Traversal Vulnerability CVE-2024-57726 SimpleHelp Missing Authorization Vulnerability…

Researchers Uncover Pre-Stuxnet ‘fast16’ Malware Targeting Engineering Software

Cybersecurity researchers have discovered a new Lua-based malware created years before the notorious Stuxnet worm that aimed to sabotage Iran’s nuclear program by destroying uranium enrichment centrifuges. According to a new report published by SentinelOne, the previously undocumented cyber sabotage framework dates back to 2005, primarily targeting high-precision calculation software to tamper

CISA reports persistent FIRESTARTER backdoor on Cisco ASA device in federal network

CISA said a federal Cisco Firepower ASA device was infected with the FIRESTARTER backdoor in Sept 2025, and it survived security patches. CISA revealed that a U.S. federal civilian agency’s Cisco Firepower device running ASA software was compromised in September 2025 by the FIRESTARTER backdoor. The malware reportedly persisted even after security patches were applied,…

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency’s Cisco Firepower device running Adaptive Security Appliance (ASA) software was compromised in September 2025 with malware called FIRESTARTER. FIRESTARTER, per CISA and the U.K.’s National Cyber Security Centre (NCSC), is assessed to be a backdoor designed for remote access…

Data Breaches, AI Expansion, and Cloud Security Define This Week’s Cyber Landscape in April 2026

Major Threats & Vulnerabilities Vulnerability Scoring and Exploitation Trends The NIST Adjusts Scoring Amid CVE Spike report highlights a 260%+ increase in CVE submissions since 2020. To manage the surge, NIST will prioritize high-impact vulnerabilities, potentially leaving many without full scoring data. Security teams must adapt to inconsistent vulnerability data and prepare for potential blind…

Inside agenteV2: How Brazilian Attackers Use Fake Court Summons to Steal Banking Credentials in Real Time 

A new phishing campaign targeting Brazilian users demonstrates how modern financial malware has evolved from simple credential theft into full-scale, operator-driven fraud platforms. Disguised as a judicial summons, this campaign leverages social engineering, multi-stage malware delivery, and real-time remote access capabilities to compromise victims and actively assist attackers in financial theft.   For organizations, the implications extend beyond individual users. Employees accessing corporate…

New Cisco firewall malware can only be killed by pulling the plug

Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security Centre warned on Thusday. “The [Firestarter] malware (…) is relevant for both Cisco Firepower and Secure Firewall devices; however, CISA has only observed a successful implant of the malware in the…

Checkmarx supply chain attack impacts Bitwarden npm distribution path

Bitwarden CLI was hit by the Checkmarx supply chain attack. Version 2026.4.0 shipped malicious code in bw1.js via a compromised GitHub Action. Bitwarden CLI has been compromised as part of the ongoing Checkmarx supply chain campaign, researchers warn. The affected version, @bitwarden/cli 2026.4.0, contained malicious code hidden in the bw1.js file. The breach likely stemmed…

Vercel attack fallout expands to more customers and third-party systems

Vercel said the fallout from an attack on its internal systems hit more customers than previously known, as ongoing analysis uncovered additional evidence of compromise.  The company, which makes tools and hosts cloud infrastructure for developers, maintains a “small number” of accounts were impacted, but it has yet to share a number or range of…

3 practical ways AI threat detection improves enterprise cyber resilience

Why “more alerts” isn’t the same as better security If you run security in an enterprise environment, you already know the problem. Generic detection tools generate thousands of alerts, most of them low value. Analysts spend hours chasing noise while attackers quietly move laterally using valid credentials and trusted tools. AI‑driven threat detection promises to…

US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied

A state-sponsored hacking group has implanted a custom backdoor on Cisco network security devices that can survive firmware updates and standard reboots, U.S. and British cybersecurity authorities disclosed Thursday, marking a significant escalation in a campaign that has targeted government and critical infrastructure networks since at least late 2025. The Cybersecurity and Infrastructure Security Agency…

Dragos: Despite AI use, new malware targeting water plants is ‘hype’

One day AI may be capable of creating malware that threatens critical infrastructure. But that day was not earlier this month, when reports surfaced of a new piece of malware seemingly configured to search for and sabotage Israeli water infrastructure, according to industrial cybersecurity firm Dragos.  The malware, called ZionSiphon, was first identified by AI…

UNC6692 Impersonates IT Helpdesk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a custom malware suite on compromised hosts. “As with many other intrusions in recent years, UNC6692 relied heavily on impersonating IT helpdesk employees, convincing their victim to accept a Microsoft Teams chat invitation from…

Checkmarx Supply Chain Attack Exploits Docker Images and CI/CD Pipelines 

A supply chain attack targeting Checkmarx tooling has exposed developer environments.  Attackers pushed malicious Docker images and tampered extensions capable of stealing credentials and other sensitive data.  This “… continues a dangerous trend that’s accelerated over the past month: CI/CD pipelines have become the new perimeter,” said Eli Woodward, Cyber Threat Intelligence Advisor at Team…

A dozen allied agencies say China is building covert hacker networks out of everyday routers

U.S. and international government agencies warned Thursday about a “widespread shift” in Chinese hacker methods toward the use of large-scale covert networks that compromise common devices to carry out a variety of attacks. The advisory details how those networks work, and defensive steps organizations should take. “Over the past few years there has been a…