malware

Pierluigi Paganini September 27, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 116

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Threat Intel | One Kit, Forty Companies: How a Malware-as-a-Service Platform Used GitHub as a Distribution Network for its Campaign   Group Policy hijacked: PAYLOAD ransomware weaponizes Active Directory GPO   ChainScript: Tracing a Node.js RAT […]

Pierluigi Paganini September 25, 2026
ClickFix Campaign Abuses Trusted Websites to Deploy Psychedelic Stealer

Attackers hijacked Ukrainian websites to deliver a fake Cloudflare CAPTCHA that installs Psychedelic Stealer and steals browser and crypto credentials. Psychedelic Stealer is being distributed through compromised Ukrainian business websites. Attackers injected hidden iframes into legitimate pages and used them to display a fake Cloudflare verification screen to visitors. The affected sites included a hair-treatment […]

Pierluigi Paganini September 25, 2026
AI-Powered CARBONATO Botnet Steals Credentials to Fund Its Own LLM Gateway

CARBONATO exploits exposed Docker daemons, installs an AI agent, steals API keys and spreads across networks with autonomous command execution. CARBONATO is a Docker-based botnet that has been active since at least October 2024. ThreatDown discovered the operation after finding an unauthenticated container registry exposed to the internet. The registry contained the attackers’ entire toolchain […]

Pierluigi Paganini September 24, 2026
Ryuk Member Karen Vardanyan Sentenced to Two Years in U.S. Prison

Ryuk member Karen Vardanyan was sentenced to 24 months in U.S. prison after extradition from Ukraine and ordered to pay $1.2M in restitution. Karen Vardanyan, a 35-year-old Armenian citizen who went by “Maneeken” and, oddly, “Karl Lagerfeld” online, was extradited from Ukraine and sentenced to 24 months in federal prison plus three years of supervised […]

Pierluigi Paganini September 24, 2026
CLOSEDQUORUM, the malware that asks four AI models what to do next

Cisco Talos finds CLOSEDQUORUM, malware that lets four commercial AI models vote on its next move, with no human operator required. Cisco Talos found malware, dubbed CLOSEDQUORUM, that holds a vote before deciding what to steal from you. Four AI models vote on its next move, without any human interaction. CLOSEDQUORUM is the first Windows […]

Pierluigi Paganini September 23, 2026
Fake LastPass on GitHub Led to an Infostealer That Killed 145 Security Tools

Attackers spoofed LastPass on GitHub, used a Microsoft-signed driver to disable 145 security products, then deployed an infostealer. Someone impersonated LastPass on GitHub, got users to download a fake authenticator, and ended up killing 145 different antivirus and EDR products using a driver that Microsoft itself had signed. That last part is the one worth […]

Pierluigi Paganini September 22, 2026
Contagious Interview: 30,000 devices infected by a fake job interview

North Korea-linked WaterPlum runs the Contagious Interview campaign, infecting over 30,000 devices using a fake job interview. On September 18, Japan’s National Police Agency, the FBI, the US Department of Defense’s Cyber Crime Center, and intelligence agencies from Australia and Germany published a joint advisory about a group called WaterPlum, better known as Contagious Interview. […]

Pierluigi Paganini September 20, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gray Rabbits and the Tale of a One-Click Backdoor   Red Heron exploits Gitea n-day flaw in multinational campaign, exposing new Linux rootkit Malicious Twitch Browser Extension Exposes 30,000 Users’ OAuth Tokens to Russian Bot […]

Pierluigi Paganini September 20, 2026
Security Affairs newsletter Round 595 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 international press. Google Gemini also Broke Out of Its Test Environment AI Helps Hackers Hijack OpenAI Staff Accounts Through […]

Pierluigi Paganini September 18, 2026
Brevo Supply-Chain Attack Infected Over 100,000 Websites

A Brevo supply-chain attack used compromised Cloudflare access to inject malware into websites, potentially affecting over 100,000 sites. Brevo, formerly known as Sendinblue, is a French cloud-based marketing and customer communication platform whose clients include eBay, Louis Vuitton and Michelin. The company was first compromised on September 10, when attackers exploited a vulnerability in its […]