The Gentlemen RaaS Uses GentleKiller EDR Framework Targeting 400 Security Processes
The Gentlemen ransomware-as-a-service (RaaS) operation is actively developing and maintaining a suite of endpoint detection and response (EDR)…
AutoJack Attack Lets One Web Page Hijack AI Agent for Host Code Execution
Microsoft researchers have detailed an exploit chain, named AutoJack, that turns an AI browsing agent into a delivery vehicle for remote…
ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device-Code Phishing + 25 More Stories
The internet did not break this week. It got used exactly as designed, which is worse. Searches were siphoned through shady browser add-ons.…
Microsoft Details Windows Clipper Malware Campaign Using USB LNK Worm and Tor-Based C2
Microsoft has disclosed details of a Windows-based cryptocurrency clipper campaign that has targeted users since February 2026 with…
DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic
Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan (RAT) called…
Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development
Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability…
Malicious JetBrains Plugins Steal AI API Keys as Chrome Extensions Capture Chatbot Chats
Cybersecurity researchers have flagged a "coordinated malware campaign" on the JetBrains Marketplace that has published no less than 15…
ClickFix Campaigns Expand Malware Delivery With New Loaders and Fake Update Lures
Cybersecurity researchers have flagged multiple ClickFix campaigns that deliver three malware loaders called BabaDeda Loader, Lorem Ipsum…
China-Linked SprySOCKS Backdoor Expands to Windows with Driver-Based Stealth
Cybersecurity researchers have flagged two previously undocumented Windows variants of what was believed to be a Linux-only backdoor called…
Fake Microsoft Alerts Used to Deploy North Korean NarwhalRAT Malware
The North Korean state-sponsored hacking group known as ScarCruft (aka APT37) has been observed using spear-phishing messages impersonating…
North Korean Hackers Are Turning Developer Tools Into Malware Delivery Channels
Cybersecurity researchers have flagged two malicious cyber campaigns that exhibit similarities with a persistent North Korean threat cluster…
One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes
A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365…
⚡ Weekly Recap: Chrome 0-Day, UniFi Exploits, macOS Stealers, VPN Flaw and More
Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running…
Over 400 Arch Linux AUR Packages Hijacked to Deploy Infostealer and eBPF Rootkit
Attackers took over more than 400 packages in the Arch User Repository (AUR) this week and rewrote their build scripts to install a credential…
ShinyHunters Exploits Oracle PeopleSoft Zero-Day (CVE-2026-35273) to Breach Universities
The ShinyHunters extortion crew exploited an unpatched flaw in Oracle PeopleSoft to break into enterprise systems, steal data, and demand…
New Attacks Trick OpenClaw AI Agent Into Running Code and Leaking Secrets
Two security teams have shown, in separate research published this week, that OpenClaw, the popular self-hosted AI agent, can be driven to run…
New GreatXML Exploit Bypasses Windows BitLocker via Recovery Partition XML Files
Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day…
The Gentlemen Ransomware Claims 478 Victims, Can Spread Like a Worm
A new analysis of The Gentlemen operation has revealed that the financially motivated threat group initially operated as an affiliate…
ThreatsDay Bulletin: Worm Code Leaked, AI Agent Phished, Claude Code Patch + 28 New Stories
It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's…
OceanLotus Hits Vietnam Investors With SPECTRALVIPER in FireAnt Attack
The Vietnam-aligned threat actor known as OceanLotus has been attributed to two distinct campaigns that targeted domestic entities and stock…
GitHub to Disable npm Install Scripts by Default to Stop Supply Chain Attacks
GitHub has announced what it said are "breaking changes" coming to npm version 12, one of which turns off install scripts by default to combat…
Microsoft Patches Record 206 Flaws, Including Three Zero-Days and Critical RCE Bugs
Microsoft on Tuesday released fixes for a record 206 security vulnerabilities impacting its software portfolio, including three flaws that…
Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows
The anonymous security researcher going by the name Chaotic Eclipse (aka Nightmare-Eclipse) has released a proof-of-concept (PoC) exploit for…
Microsoft Restores Some GitHub Repos, Keeps Others Offline as Miasma Probe Continues
Microsoft on Monday confirmed that it temporarily removed some GitHub repositories in response to a recent security incident that led to 73 of…
WinRAR Flaw Exploited by Russia-Aligned Groups to Deploy Stealers in Ukraine
Two Russia-aligned cyber attack campaigns have continued to exploit a security flaw in WinRAR to target Ukrainian organisations, almost a year…
Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild – Patch Now
Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild. The…
Hades PyPI Attack: 19 Packages Poisoned to Auto-Run Bun Credential Stealer
The Miasma supply chain campaign has sparked a fresh attack wave called Hades, this time involving 37 malicious wheel artifacts across 19…
AI Phishing Is Crushing SOCs with Alert Volume: How to Reduce Tier 1 Overload
Phishing has always been a numbers game. AI has turned it into a volume machine. Attackers can now create convincing emails, fake login pages,…
⚡ Weekly Recap: Instagram Account Hacks, Android Zero-Day, GitHub Worm and More
Monday again. The weekend was meant to be quiet. It wasn't. Last week had poisoned packages, a broken AI helper, and a worm tearing through…
VerdantBamboo Deploys BSD Variant of BRICKSTORM on Linux Appliances
A China-nexus cyber espionage group has been observed deploying a BSD variant of a known backdoor called BRICKSTORM, as well as two other…
UNC3753 Used Vishing and Physical Intrusions in U.S. Data Theft Extortion Campaign
Cybersecurity researchers have disclosed details of a financially motivated data theft extortion campaign that has targeted dozens of…
VS Code Adds 2-Hour Extension Auto-Update Delay to Limit Supply Chain Attacks
Microsoft has announced that Visual Studio Code (VS Code) will apply a two-hour delay before extensions for the integrated development…
Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack
Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign. The…
IronWorm and New Miasma Worm Variant Hit npm in Supply Chain Attacks
Multiple software supply chain attacks have hit the npm ecosystem, with threat actors using both malicious and poisoned versions of over 50…
New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework
Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 (where "OP" stands for "opponent") that has…
PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network
The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to…
Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories
A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories…
ThreatsDay Bulletin: AI Agents Gone Wrong, Sketchy C2 Tools, ClickFix Tricks, JS Backdoors & 20+ New Stories
It got stupid again. The internet still feels held together with tape. Bad plugins, old bugs, fake tools, trusted apps doing shady things.…
China-Linked TA4922 Expands Phishing Attacks to U.K., Germany, Italy, and South Africa
A new China-linked cybercrime group known as TA4922 has expanded its targeting focus to target European organizations in the U.K., Germany,…
Hackers Spied on a Stock Exchange Executive's Outlook Mailbox for Five Months
Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the…
DoJ Disrupts Southeast Asia Crypto Fraud Networks, Freezes $3.8 Million in Assets
The U.S. Department of Justice (DoJ) on Wednesday announced the results of a sweeping action undertaken by government authorities and private…
Google DoubleClick Abused in New Malspam Campaign to Deliver DesckVB RAT
Cybersecurity researchers have flagged a new malspam campaign that makes use of Google's DoubleClick domain as a way to evade detection and…