New ClosedQuorum Windows malware uses AI for attack decisions
A new Windows malware named ClosedQuorum uses Google Gemini, DeepSeek, Qwen, and Mistral AI models to autonomously determine the actions to take during post-...
Microsoft
20 articles
Microsoft Takes Down EvilTokens Device-Code Phishing Service Tied to 12,000 Inbox Compromises
Microsoft on Tuesday announced the takedown of the EvilTokens device code phishing service that it said used artificial intelligence (AI) "at every step of t...
Researcher Drops BigDiskBuster Zero-Day PoC That Blocks Microsoft Defender Updates
A zero-day proof-of-concept tool that stops Microsoft Defender from installing platform and signature updates by filling all available disk space was publish...
Two arrested in UK after Microsoft takedown of ‘Eviltokens’ AI-chatbot for cybercriminals
Available on Telegram for a $1,500 initiation fee and a recurring monthly $500 subscription, EvilTokens provided cybercriminals with artificial intelligence ...
Microsoft and Google dismantle major cybercrime marketplace RedVDS
RedVDS operated as an online hub selling access to virtual machines (VMs) that were used by cybercriminals to launch a variety of attacks, including phishing...
EvilTokens PhaaS disrupted after compromising 12,000 Microsoft accounts
The EvilTokens platform that compromised more than 12,000 Microsoft accounts at over 10,000 organizations has been disrupted in an effort led by Microsoft's ...
Microsoft and partners disrupt EvilTokens, a comprehensive cybercrime service for financial fraud
The popular phishing-as-a-service platform used AI throughout the attack chain, allowing cybercriminals to steal tokens for account takeover and business ema...
Unmasking EvilTokens: Getting to the root of device code phishing
EvilTokens has quickly become one of the top PhaaS platforms, enabling device code phishing attacks through AI-assisted lures, automated infrastructure, and ...
Chaotic Eclipse Released BigDiskBuster, A PoC For Windows Defender Update DoS Zero-Day
The researcher Chaotic Eclipse released BigDiskBuster, a PoC exploit for a Windows Defender Update DoS Zero-Day vulnerability. Security researcher Chaotic Ec...
Nightmare Eclipse Drops New Microsoft Defender Exploit After Revealing Identity
Abdelhamid Naceri, a former Microsoft Germany employee, is the exploit leaker Nightmare Eclipse, aka Chaotic Eclipse. The post Nightmare Eclipse Drops New Mi...
TASK#STOMP PowerShell Backdoor Steals Business Documents and Executes Remote Commands
A Windows-focused backdoor dubbed TASK#STOMP that uses VBScript, PowerShell, Scheduled Tasks, and runtime C# compilation to establish resilient persistence a...
Hackers Exploit Veeam Agent Vulnerability to Gain SYSTEM-Level Access on Windows
A newly discovered privilege escalation flaw in Veeam Agent for Microsoft Windows could allow attackers with local access to compromised endpoints to execute...
SharePoint Flaw Initially Listed as Spoofing by Microsoft Enables Authenticated RCE
A SharePoint Server vulnerability that Microsoft initially classified as a spoofing flaw with a CVSS score of 6.5 actually enables authenticated remote code ...
New TASK#STOMP Windows Backdoor Enables Continuous Document Theft
TASK#STOMP Windows backdoor uses PowerShell, scheduled tasks and runtime C# compilation to steal business documents and maintain remote access.
Public PoC Exposes Critical Veeam Agent Privilege Escalation
A Veeam Agent flaw lets local users gain SYSTEM privileges. A public PoC is available, raising the risk of exploitation on shared Windows systems.
New Windows Defender zero-day blocks Microsoft antivirus updates
Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks an...
Chinese APT Clones Legitimate Websites to Deliver Chrome and Windows Zero-Day Exploits
A third Chinese threat actor has been linked to phishing campaigns that cloned trusted websites and chained Chrome and Windows zero-day exploits to deploy a ...
Windows 11 26H1 Security Update Expands Secure Boot Certificate Protection
Microsoft has released the cumulative security update for September 2026 for Windows 11 version 26H1. This update expands the range of systems that can autom...
Microsoft to Disable SMS as Primary Entra ID Sign-In Method in 2027
Microsoft will turn off SMS as a primary sign-in method for Microsoft Entra ID workforce tenants on February 1, 2027, accelerating its transition to phishing...
One Stolen Active Directory File Can Expose Credentials for an Entire Windows Domain
A single stolen Active Directory database can turn a limited Windows intrusion into a domain-wide credential compromise. Threat actors that obtain the NTDS.