GitHub Action tj-actions/changed-files was compromised in supply chain attack

The GitHub Action tj-actions/changed-files was compromised, enabling attackers to extract secrets from repositories using the CI/CD workflow. Researchers reported that threat actors compromised the GitHub Action tj-actions/changed-files, allowing the... Read more »

New StilachiRAT uses sophisticated techniques to avoid detection

Microsoft discovered a new remote access trojan (RAT), dubbed StilachiRAT, that uses sophisticated techniques to avoid detection. In November 2024, Microsoft researchers discovered StilachiRAT, a sophisticated remote access trojan... Read more »

Threat actors rapidly exploit new Apache Tomcat flaw following PoC release

Threat actors began exploiting a recently disclosed Apache Tomcat vulnerability immediately after the release of a PoC exploit code. A newly disclosed Apache Tomcat vulnerability, tracked as CVE-2025-24813, is being... Read more »

Attackers use CSS to create evasive phishing messages

Threat actors exploit Cascading Style Sheets (CSS) to bypass spam filters and detection engines, and track users’ actions and preferences.  Cisco Talos observed threat actors abusing Cascading Style Sheets... Read more »

Researcher releases free GPU-Based decryptor for Linux Akira ransomware

A researcher released a free decryptor for Linux Akira ransomware, using GPU power to recover keys through brute force. Security researcher Yohanes Nugroho created a free decryptor for Linux... Read more »

Denmark warns of increased state-sponsored campaigns targeting the European telcos

Denmark ‘s cybersecurity agency warns of increased state-sponsored campaigns targeting the European telecom companies Denmark raised the cyber espionage threat level for its telecom sector from medium to high... Read more »

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 37

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Undercover miner: how YouTubers get pressed into distributing SilentCryptoMiner as... Read more »

Security Affairs newsletter Round 515 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of... Read more »

A ransomware attack hit the Micronesian state of Yap, causing the health system network to go down.

A Micronesian state suffered a ransomware attack and was forced to shut down all computers of its government health agency. A state in Micronesia, the state of Yap, suffered... Read more »

New MassJacker clipper targets pirated software seekers

Pirated software seekers are targeted by the new MassJacker clipper malware, according to CyberArk researchers. A new malware campaign spreading a new clipper malware dubbed MassJacker targets users searching... Read more »
Subscribe to our Newsletter