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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…

Top 6 UCaaS Providers for Businesses in 2026

Unified Communications as a Service (UCaaS) is essential for modern businesses looking to stay connected in today’s fast-moving work environment. By combining video conferencing, VoIP, messaging, and collaboration tools into a single cloud-based platform, UCaaS helps teams communicate and collaborate in real time from anywhere.  As remote and hybrid work continue to evolve in 2026,…

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…

Why Annual Penetration Tests Are No Longer Enough

Traditional annual penetration tests are becoming less effective as organizations rapidly expand cloud, hybrid, and AI-driven environments that change far faster than yearly assessment cycles can keep up with.  According to Lydia Zhang, President and Co-Founder of Ridge Security, modern infrastructure, applications, APIs, and dependency chains evolve continuously, creating constantly shifting attack surfaces that static…

GUEST ESSAY: AI pipelines are shattering network security — most companies haven’t even noticed yet

For the past two decades, enterprise security teams have gotten good at one thing: keeping sensitive data where it belongs. Related: Leaked secrets no. 1 exposure Production data stays in production. Test environments get masked or synthetic data. Access is controlled. Ownership is defined. The system, while imperfect, largely works. Then AI arrived — and…

Apple open-sources quantum-resistant encryption code

Apple has released quantum-resistant cryptographic code and the mathematical verification tools it developed to prove the code’s correctness, making them publicly available for independent review and broader use across the industry. The release includes implementations of two quantum-secure algorithms, ML-KEM and ML-DSA, along with the formal verification libraries and tools Apple created to validate their…

How Lineage Reveals Your Data’s Secrets

Imagine this scenario: on an otherwise fine and ordinary Monday morning, your security operations center (SOC) flags a suspicious alert.  Files from a confidential vault are transferring to someone’s personal cloud storage account.  Halt! An analyst stops the flow, but some files are leaked to who-knows-where.  In fact, other than knowing the leak happened, you…

White House charts new course for federal agencies and cybersecurity logging

The White House has updated rules for federal agencies to keep logs of significant cyber activities in their networks, touting it as a measure to cut back on red tape and focus on how cybersecurity risks have evolved. The Office of Management and Budget memorandum, released Friday, replaces a 2021 memo signed by then-President Joe…

Welcoming the AWS Customer Incident Response Team

May 26, 2026: This post was originally published in July 2022. It has been updated to reflect current engagement options, new threat intelligence resources such as the Threat Technique Catalog for AWS (TTC), additional open-source tools, and the distinction between AWS CIRT support and the AWS Security Incident Response managed service. Welcome back, or welcome…

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…

The Hidden Ransomware Economy Running on Exposed Databases

A 5-year study on the Ransomware Economy found that 30,515 exposed databases were hit by ransom attacks, causing massive damage despite victims never paying. Database extortion doesn’t look like the ransomware stories that usually grab headlines. There’s no slick branding, no leak-site countdown, no gang posting memes on Telegram. In most cases, there’s just a…

Services Revenue Becomes the Channel’s Growth Engine

Halfway into 2026, managed services continue to emerge as one of the industry’s strongest growth engines. Gone are the days when infrastructure deals and one-time product sales dominated partner revenue. Increasingly, the real opportunity lies in the services surrounding technology, from AI advisory and deployment to cybersecurity management and implementation. In this article, we examine…

ConnectWise Automate Vulnerability Could Allow Security Check Bypass and RCE

ConnectWise has disclosed a vulnerability in its Automate remote monitoring and management (RMM) platform that could allow attackers to bypass integrity verification mechanisms and execute malicious code in affected environments.  The flaw impacts on-premises versions of ConnectWise Automate prior to version 2026.5 and carries a CVSS score of 8.8. “Under certain conditions, components obtained during…

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…

High-Quality Customer Outcomes Require Courageous Leadership

This article is written by Brett Diamond, CEO, 11:11 Systems, and provided to Channel Insider by 11:11 Systems. Every company claims to be customer-first. Many invest in support, success teams, and service management frameworks. But the uncomfortable truth is this: ensuring quality at every customer touch point often requires focused decision-making. And the decisions that…

MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries

The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financial services, and professional services, per the Threat Hunter Team from Symantec and…

Apple opens its post-Quantum encryption vault

The tech world is rapidly waking up to the security threat posed by future quantum computers, which will be able to break the encryption we now use to protect our internet existences with ease. Against that backdrop, Apple’s decision to share iPhone and Mac post-quantum cryptography code on GitHub speaks volumes.  Lost in the fog of reporting over the Memorial…

Anthropic: Mythos finds more than 10,000 software flaws in first month

Anthropic said its month-old Project Glasswing initiative has uncovered more than 10,000 high- or critical-severity software vulnerabilities across systemically important code, a finding the company says has shifted the central problem in cybersecurity from discovering flaws to verifying and patching them. The findings, drawn from partner reports and independent evaluations, mark one of the first…

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…

Detectify brings AppSec automation to AI agents with MCP Server and continuous testing

Detectify has unveiled the Detectify MCP (Model Context Protocol) Server, a new integration layer that brings Detectify’s security testing engines directly into AI-driven development workflows, helping coding agents find and validate exploitable vulnerabilities and interpret attack surface data with greater precision. As organizations increasingly rely on AI agents to write, refactor, and modernize code, software…

Actively exploited Trend Micro Apex One flaw gets CISA warning (CVE-2026-34926)

A relative directory path traversal vulnerability (CVE-2026-34926) in Trend Micro’s Apex One platform has been exploited in zero-day attacks, the company confirmed. “TrendAI has observed at least one attempt to exploit this vulnerability in the wild,” Trend Micro noted, and credited the incident response team of its TrendAI enterprise cybersecurity business for reporting it. About…

Conifers rolls out AI-powered SOC for unified security operations and automated response

Conifers has announced the launch of its agentic SOC, a unified AI platform designed to help security operations centers defend against cyber adversaries operating at machine speed. Built on the company’s CognitiveSOC platform, the new system connects threat intelligence, threat hunting, detection engineering, investigation, and remediation into a single operating framework grounded in each customer’s…

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…

Personal information of 185,000 people exposed after cyberattack on 7-Eleven

Data belonging to about 185,000 people was exposed following a cyberattack on convenience store chain 7-Eleven that was later claimed by the ShinyHunters extortion gang, according to Have I Been Pwned. The exposed information includes email addresses, names, physical addresses, dates of birth, and phone numbers, while a small number of records also contained additional…

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…

Tamnoon introduces skill-based AI orchestration for autonomous cloud defense

Tamnoon has expanded its AI engine, Tami, into a skill-based orchestrator that generates customer-specific remediation skills tailored to each enterprise environment. Trained on more than 6 million real cloud fixes across 800+ accounts, Tami coordinates specialized AI skills to safely and autonomously address every class of cloud risk. Two new skills are available, Remediation Confidence…

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…

What happens when security teams inherit identity

At the Span Cyber Security Arena conference, I sat down with Eric Woodruff, Chief Identity Architect at Semperis, to talk about how organizations perceive identity and the challenges those perceptions create for security. He shared his perspective on where organizations struggle with identity, why identity platforms can become difficult to manage, how phishing-resistant authentication is…

CERT-In Mandates 12-Hour Patching for Internet-Facing Flaws Amid AI-Assisted Attacks

The Indian Computer Emergency Response Team (CERT-In) has issued new guidelines requiring organizations to patch critical security vulnerabilities in internet-exposed systems within 12 hours of being flagged where “feasible” to safeguard against potential threats stemming from threat actors’ abuse of artificial intelligence (AI) tools and large language models (LLMs) to automate vulnerability

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…

Stop treating AI governance as a review layer. Make it release infrastructure

I’ve spent years building compliance into security products. FedRAMP and Department of War Impact Level authorizations, vulnerability management pipelines: They all follow the same pattern. Build the product, then prove it meets requirements. The compliance layer sits outside the engineering workflow. It reviews what already exists. That model worked when the product stayed static between…

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…

Iranian Hackers Deploy MiniFast and MiniJunk V2 via Phishing and SEO Poisoning

The Iranian state-sponsored threat actor known as Nimbus Manticore (aka Screening Serpens and UNC1549) has been attributed to a fresh campaign using lures impersonating organizations in the aviation and software sectors across the U.S., Europe, and the Middle East following the joint U.S.-Israeli military campaign against the country in late February 2026. The activity, besides…

Vulnerabilities have become cyber attackers’ No. 1 door to the enterprise

Patching practices are coming under intense pressure of late, as time-to-exploit windows accelerate — a new reality likely to worsen as AI assistance in attack chains rises. Now cyber defenders have another cause for flaw alarm: Vulnerability exploitation has significantly pulled away from stolen credentials as the most common entry point in security breaches, according…

Third-Party Cyberattack Impacts Patient Information at The Oncology Institute

The Oncology Institute disclosed a data breach tied to a third-party vendor, potentially exposing patient information after a 2025 cyberattack. The Oncology Institute has confirmed that patient information was impacted in a cybersecurity incident involving a third-party software provider. The healthcare network first disclosed the security breach in November 2025 while the vendor’s investigation was…

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,…

Manage machine identities: The hidden privileged access layer you need to manage

Why are machine identities becoming the majority of “things with access”? Every automation, integration, and workload needs a way to authenticate and the right permissions to act. That quiet requirement has created a massive population of machine identities, also called non-human identities (NHIs): service accounts, service principals, workload roles, OAuth apps, AI agents, and IAM…

Cybersecurity jobs available right now: May 26, 2026

Application Security Engineer IG Group | India | Hybrid – View job details As an Application Security Engineer, you will assess the security of web, mobile, and cloud applications through penetration testing, secure code reviews, threat modeling, and architecture reviews. Responsibilities also include integrating security into CI/CD pipelines, managing vulnerability remediation, supporting purple team activities,…

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…

Project Glasswing has uncovered 10,000 vulnerabilities: Anthropic

Anthropic says it and upwards of 50 partners involved in Project Glasswing have uncovered an estimated 10,000 critical or high-severity vulnerabilities in their software offerings. The company launched the cybersecurity initiative, which is built around Claude Mythos Preview, in April, stating that its launch partners would use it as part of their defensive security work.…

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…

Welcoming the Bhutanese Government to Have I Been Pwned

Today, we welcome the 45th government onboarded to Have I Been Pwned’s free gov service: Bhutan. The Bhutan Computer Incident Response Team, BtCIRT, now has access to monitor Bhutanese government domains against the data in HIBP. As Bhutan’s national CIRT, BtCIRT is responsible for consuming threat intelligence and sharing relevant insights with its constituents, helping…

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…

Google adds open source Agent Executor to support AI agents in production

Google has introduced Agent Executor, an open source runtime aimed at helping enterprises run AI agents more reliably at scale, as attention shifts from building agent prototypes to managing the operational challenges of putting them into production. To address those production-related challenges, the runtime, according to the company, comes with capabilities that are geared towards…

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…

340 Million OnlyFans Profiles Allegedly Rebuilt from Leaks

A hacker is selling a 340M-strong OnlyFans-linked dataset built by correlating old breaches and public data, not by hacking OnlyFans directly. A threat actor is adverertising a purported database containing data of 340 million OnlyFans users, but the available evidence points to something less dramatic than a direct breach. According to HackRead, which reported the…

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…

Anthropic adds 28 security and compliance integrations for Claude

AI tools are becoming part of everyday work in organizations, creating new security and oversight requirements as usage grows. To address that, Anthropic introduced 28 integrations with security and compliance tools that allow IT and security teams to manage Claude in the same way they manage other applications in their environments. The integrations are powered…

Cisco refines its risk-based vulnerability disclosure for the AI era

Security teams already struggle with long lists of vulnerabilities and limited time to patch them. Cisco believes AI could increase that pressure by accelerating vulnerability discovery and increasing the number of findings security teams need to review. The company said it is moving further toward a risk-based disclosure approach, placing greater attention on issues under…

Microsoft Access VBA, (Mon, May 25th)

Microsoft Access files (Microsoft Office’s Database) can contain VBA code. But they are not ole or OOXML files. You can’t analyze them with oledump.py: Neither do they contain an embedded OLE file: Microsoft does not publish official documentation for the Microsoft Access file format, like it does for CFB (ole) and OOXML. That inspired me…

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…

Netherlands Seizes 800 Servers, Arrests 2 for Aiding Cyberattacks

Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry out cyberattacks, influence operations and disinformation campaigns inside the European Union. The two men were the focus of a 2025 KrebsOnSecurity story about how their hosting companies had assumed control over the…

Authorities seize 800 servers used for cyberattacks and disinformation

Dutch authorities arrested two men and seized 800 servers linked to a hosting provider that investigators say supported Russian activities aimed at undermining democracy and security through cyberattacks, disinformation, and disruption of public and economic systems. Servers seized by Dutch authorities (Source: FIOD) The Dutch Fiscal Information and Investigation Service (FIOD) arrested a 57-year-old man…

AI security needs a shift from models to systems, researchers argue

Enterprises cannot secure AI agents by making the underlying models more robust and must instead enforce security controls at the system level around them, researchers behind a paper published this month argued, warning that traditional AI-security approaches are increasingly misaligned with how autonomous agents actually operate inside enterprise environments. The paper argues that enterprises should…

DeepSeek’s steep V4-Pro price cut escalates AI pricing war

Chinese AI startup DeepSeek has announced a steep price cut for its recently launched flagship AI model, V4-Pro. The company has reduced pricing for the model by 75%, just a month after unveiling the V4 generation, which includes V4 Pro and V4 Flash. Earlier, usage costs ranged from $0.0145 for one million tokens (cache hit)…

Ghost CMS CVE-2026-26980 Exploited to Hijack 700+ Sites for ClickFix Attacks

Threat actors are exploiting a recently disclosed critical security flaw in Ghost CMS to inject malicious JavaScript code with an aim to fuel ClickFix attacks. According to QiAnXin XLab, the activity involves the exploitation of CVE-2026-26980 (CVSS score: 9.4), an SQL injection vulnerability in Ghost’s Content API that could allow an unauthenticated attacker to read…

As AI speeds coding, CVE Lite CLI keeps security deliberately AI-free

As AI coding assistants accelerate software development, one OWASP-backed open-source project is arguing that dependency security tooling still arrives too late to be truly useful. CVE Lite CLI, a JavaScript and TypeScript dependency vulnerability scanner focused on local lockfile analysis, is positioning itself around a simple idea. Developers should see dependency risks while they are…

Zero-Click WhatsApp Account Takeover Hits iPhone Users Running iOS 16. No Linked Devices, No Warning

A zero-click attack targeting iPhones on iOS 16 hijacked WhatsApp accounts without linked devices, warnings, or user interaction. There is a particular kind of security incident that is harder to explain than most: your WhatsApp account is sending messages you did not write, asking your contacts for money transfers, and when you check the “Linked…

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