malware

Pierluigi Paganini February 25, 2026
Lazarus APT group deployed Medusa Ransomware against Middle East target

North Korea’s Lazarus Group used Medusa ransomware in an attack on an unnamed Middle East organization, researchers report. The North Korea-linked Lazarus APT Group, also known as Diamond Sleet and Pompilus, has been spotted deploying Medusa ransomware against an unnamed organization in the Middle East, according a new report from the Symantec and Carbon Black […]

Pierluigi Paganini February 24, 2026
Arkanix Stealer: AI-assisted info-stealer shuts down after brief campaign

Arkanix Stealer surfaced in late 2025 as a short-lived info-stealer, likely built as an AI-assisted experiment and quickly abandoned. Arkanix Stealer emerged in late 2025 as a short-lived information-stealing malware promoted on dark web forums. Researchers believe it was likely created as an AI-assisted experiment, suggesting the operators were testing automated development techniques rather than […]

Pierluigi Paganini February 24, 2026
Everest ransomware hits Vikor Scientific ‘s supplier, data of 140,000 patients stolen

Everest ransomware claims an attack on diagnostic firm Vikor Scientific (Vanta Diagnostics), exposing data of nearly 140,000 people. The Everest ransomware group has claimed responsibility for a cyberattack on Vikor Scientific, now operating as Vanta Diagnostics. The healthcare diagnostic firm disclosed a data breach impacting nearly 139,964 individuals, as reported by the US Department of […]

Pierluigi Paganini February 23, 2026
Wormable XMRig campaign leverages BYOVD and timed kill switch for stealth

A wormable cryptojacking campaign spreads via pirated software, using BYOVD and a time-based logic bomb to deploy a custom XMRig miner. Researchers uncovered a wormable cryptojacking campaign that spreads through pirated software bundles to deploy a custom XMRig miner. The attack uses a BYOVD exploit and a time-based logic bomb to evade detection and maximize […]

Pierluigi Paganini February 23, 2026
CVE-2026-1731 fuels ongoing attacks on BeyondTrust remote access products

Attackers are exploiting CVE-2026-1731 in BeyondTrust RS and PRA to deploy VShell, gain persistence, move laterally, and control compromised systems. Threat actors are actively exploiting a recently disclosed critical vulnerability, tracked as CVE-2026-1731 (CVSS score: 9.9), in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). The flaw is being used to conduct a wide […]

Pierluigi Paganini February 22, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 85

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Ninja Browser & Lumma Infostealer   Ghost Tapped: Tracking the Rise of Chinese Tap-to-pay Android Malware   Hudson Rock Identifies Real-World Infostealer Infection Targeting OpenClaw Configurations   Divide and conquer: how the new Keenadu backdoor exposed links […]

Pierluigi Paganini February 22, 2026
Security Affairs newsletter Round 564 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 the international press. U.S. CISA adds RoundCube Webmail flaws to its Known Exploited Vulnerabilities catalog PayPal discloses extended data […]

Pierluigi Paganini February 20, 2026
FBI warns of surge in ATM Jackpotting, $20 Million lost in 2025

The FBI warns ATM jackpotting is rising nationwide, with over $20 million lost in 2025 and 1,900 incidents reported since 2020. The FBI has warned of a sharp rise in ATM jackpotting attacks across the U.S., with losses exceeding $20 million in 2025 alone. Since 2020, about 1,900 incidents have been reported, including 700 last […]

Pierluigi Paganini February 20, 2026
PromptSpy abuses Gemini AI to gain persistent access on Android

PromptSpy is the first Android malware to abuse Google’s Gemini AI, enabling persistence and advanced spying features. Security researchers at ESET have uncovered PromptSpy, the first known Android malware to exploit Google’s Gemini AI to maintain persistence. The malware can capture lockscreen data, block uninstallation attempts, collect device information, take screenshots, and record screen activity […]

Pierluigi Paganini February 19, 2026
Germany’s national rail operator Deutsche Bahn hit by a DDoS attack

Germany’s national rail operator, Deutsche Bahn, suffered a major DDoS attack that disrupted booking and information systems for several hours. Germany’s rail operator Deutsche Bahn was hit by a large-scale DDoS attack that disrupted information and booking systems for several hours. The cyberattack affected IT operations, causing delays and service interruptions. At this time, the […]