Woodgnat Hackers use Backdoor.Mistic, a stealthy RAT, to let brokers compromise networks and sell entry points to ransomware groups.

At a Glance Malware type Native Messaging backdoor with a malicious Chrome extension Threat actor Unattributed Targets / victims Italian-language email recipients Delivery vector Phishing email po…

Microsoft details GigaWiper, a destructive Windows backdoor that can wipe disks, encrypt files and give attackers remote access to compromised systems globally.

Dr.Web details Siggen Windows backdoor that uses Steam for C2, steals credentials and crypto data and infects Visual Studio projects to spread among developers.

At a glance Malware family GigaWiper (Golang backdoor; code ties to Crucio and FlockWiper) Threat actor Not publicly named by Microsoft; suspected single developer Target / victims Windows systems…

Changing AI behavior is much easier and cheaper than many people thought. Cyber expert Katie Paxton-Fear put a hidden flaw into an open AI model. Amazingly, she finished this task in just about on…

At a Glance Actor or group Unnamed China-linked espionage group (per Symantec’s 2022 attribution) Activity type Suspected long-term cyber espionage Targets Taiwan-based subsidiary of a multi…

At a glance Malware family GoSerpent backdoor, plus McMx, Stowaway, ThumbcacheService, and TmcLoader/TmcPayload Threat actor Unconfirmed. Kaspersky notes a possible link to TetrisPhantom. Target /…

TL;DR Threat actors injected a critical backdoor into the Advanced Responsive Video Embedder plugin. This flaw tracks as CVE-2026-18072 (CVSS 9.8). Attackers can bypass authentication entirely. Th…