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ESET details GentleKiller, the EDR-killer framework the Gentlemen ransomware gang gives affiliates
ESET’s 2026 APT Activity Report suggests China-backed APTs are using instability in the region to target victims, as well as continuing activity against organizations around the globe
Trend Micro highlighted a sophisticated post-compromise attack chain to deploy the Warlock ransomware in unpatched SharePoint on-prem environments
Avast researchers shared a step-by-step guide to decrypt files for victims of FunkSec ransomware
Trend Micro has observed the Bert ransomware group in operation since April 2025, with confirmed victims in sectors including healthcare, technology and event services
Trend Micro identified a novel “wipe mode” included in Anubis ransomware to prevent file recovery, increasing pressure on victims to give in to demands
Symantec found that Medusa has listed almost 400 victims on its data leaks site since early 2023, demanding ransom payments as high as $15m
The recently discovered Embargo ransomware group is using Rust-based custom tools to overcome victims’ security defenses, ESET researchers have observed
Researchers at Avast found a flaw in the cryptographic schema of the DoNex ransomware and have been sending out decryptor keys to victims since March 2024
Trend Micro uncovers Chinese cyber-espionage campaign Earth Krahang
CVE-2024-21412 was used to evade Microsoft Defender SmartScreen and implant victims with DarkMe
The Trend Micro report observed that small organizations are being increasingly targeted by ransomware gangs, including LockBit and BlackCat
Kaspersky discovered that the wallet the victim purchased had been tampered with
Trend Micro urges victim organizations to resist extorters demands