SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 81

Security Affairs’ Malware newsletter Round 81, authored by Pierluigi Paganini, was published on 25 January 2026 and presents a collection of the best articles and research on malware from the international landscape.

The feature lists a curated set of stories, including UNO reverse card: stealing cookies from cookie stealers, PDFSIDER Malware – Exploitation of DLL Side-Loading for AV and EDR Evasion, VoidLink: Evidence That the Era of Advanced AI-Generated Malware Has Begun, PyPI Package Impersonates SymPy to Deliver Cryptomining Malware, Android[.]Phantom Trojans infiltrating smartphones

through games and pirated mods of popular apps, Osiris: New Ransomware, Experienced Attackers?, and related analyses such as ESET Research on the Poland power grid attack and discussions on threat actors expanding abuse of Visual Studio Code. According to Security Affairs, the newsletter aggregates items across categories including malware, breaking news, security, and data breach, highlighting ongoing research and developments in the field.