Malware

Pierluigi Paganini October 28, 2025
Everest group claimed the hack of Sweden’s power grid operator Svenska kraftnät

Hackers hit Sweden’s power grid operator Svenska kraftnät, stealing data via a file transfer tool. The power grid was not affected. Hackers breached Sweden’s state-owned power grid operator Svenska kraftnät, stealing data from an isolated file transfer system. The power grid operations were not impacted by the cyber incident. The Swedish company on Monday disclosed […]

Pierluigi Paganini October 28, 2025
Ransomware payments hit record low: only 23% Pay in Q3 2025

Only 23% of ransomware victims paid in Q3 2025, the lowest ever, continuing a six-year decline in payment rates, Coveware reports. Cybersecurity firm Coveware reports that only 23% of ransomware victims paid attackers in Q3 2025, the lowest rate ever recorded. The researchers note this continues a six-year decline in payment rates. After 28% of […]

Pierluigi Paganini October 27, 2025
Memento Labs, the ghost of Hacking Team, has returned — or maybe it was never gone at all.

Kaspersky links the first Chrome zero-day of 2025 to tools used in attacks attributed to Memento Labs, formerly known as the Hacking Team. The actor behind Operation ForumTroll used the same tools seen in Dante spyware attacks. Kaspersky researchers linked the first Chrome zero-day of 2025 (CVE-2025-2783), a sandbox escape flaw, to the arsenal of […]

Pierluigi Paganini October 27, 2025
Linux variant of Qilin Ransomware targets Windows via remote management tools and BYOVD

Qilin ransomware group used Linux binaries on Windows to evade EDRs, steal backups, and disable defenses via BYOVD attacks. Trend Research found that the Qilin ransomware group (aka Agenda) used a Linux ransomware binary on Windows systems via legitimate remote tools, bypassing Windows defenses and EDRs. The cross-platform method enables stealthy attacks, stealing backup credentials […]

Pierluigi Paganini October 26, 2025
Safepay ransomware group claims the hack of professional video surveillance provider Xortec

Safepay group claims the hack of professional video surveillance provider Xortec and added the company to its data leak site. The Safepay group claimed responsibility for hacking German video surveillance provider Xortec and listed the company on its data leak site. The ransomware payment deadline is October 27, 2025. Xortec GmbH, based in Frankfurt with […]

Pierluigi Paganini October 26, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 68

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter TikTok videos continue to push infostealers in ClickFix attacks 131 Spamware Extensions Targeting WhatsApp Flood Chrome Web Store  Salty Much: Darktrace’s view on a recent Salt Typhoon intrusion   Shifts in the Underground: The Impact […]

Pierluigi Paganini October 23, 2025
Lazarus targets European defense firms in UAV-themed Operation DreamJob

North Korean Lazarus hackers targeted 3 European defense firms via Operation DreamJob, using fake recruitment lures to hit UAV tech staff. North Korea-linked Lazarus APT group (aka Hidden Cobra) launched Operation DreamJob, compromising three European defense companies. Threat actors used fake recruiter profiles to lure employees into UAV technology roles, aiming to gain access to […]

Pierluigi Paganini October 22, 2025
Russia-linked COLDRIVER speeds up malware evolution after LOSTKEYS exposure

Russia-linked COLDRIVER rapidly evolved its malware since May 2025, refining tools just days after releasing its LOSTKEYS variant, says Google. The Russia-linked hacking group COLDRIVER has been quickly upgrading its malware since May 2025, when its LOSTKEYS malware was exposed. According to Google’s Threat Intelligence Group, the hackers have been rolling out frequent updates and […]

Pierluigi Paganini October 19, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 67

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Astaroth: Banking Trojan Abusing GitHub for Resilience  North Korea’s Contagious Interview Campaign Escalates: 338 Malicious npm Packages, 50,000 Downloads New Rust Malware “ChaosBot” Uses Discord for Command and Control  Weaponizing Discord for Command and […]

Pierluigi Paganini October 18, 2025
Winos 4.0 hackers expand to Japan and Malaysia with new malware

Winos 4.0 hackers expand from China, Taiwan to Japan, Malaysia using fake Finance Ministry PDFs to spread HoldingHands RAT malware. Threat actors behind Winos 4.0 (ValleyRAT) have expanded their attacks from China and Taiwan to Japan and Malaysia, using PDFs disguised as documents from the Finance Ministry to deliver malware. Attackers employed another remote access […]