New backdoors from Toy Ghouls
Introduction We continue tracking the activity of Toy Ghouls (also known as Bearlyfy, Laboo.boo, and Feral Wolf), a financially motivated
Computer Security
malware
Counterfeit installers to system compromise: Tracking a deceptive software download campaign
In this article Microsoft Defender Experts is tracking an active malware campaign that uses counterfeit software-download websites to impersonate trusted
Industrial threat report for Q2 2026
All threats In Q2 2026, the percentage of ICS computers on which malicious objects were blocked continued to decrease, falling
When AI infrastructure becomes the target: Securing gateways and control points
In this article AI is creating a new layer of enterprise infrastructure. Gateways, retrieval platforms, orchestration services, and containerized runtimes
First Android malware targeting automotive head units
While monitoring Android threats in June 2026, we discovered a new piece of Android malware. What struck us as unusual
New Armored Likho tools target Telegram and eavesdropping
In May 2026, we discovered a new cyber-espionage campaign by the Armored Likho group, also known as Eagle Werewolf, that
CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft
In this article Since early May 2026, Microsoft Threat Intelligence has observed Storm-2945, a sub-cluster of Midnight Blizzard, conducting widespread
Mirage Kitten’s new malware set: NightLedger backdoor and two tunneling tools
Introduction Mirage Kitten – also known as UNC1549, Smoke Sandstorm, and Nimbus Manticore – is an advanced persistent threat (APT) group focused
The Odyssey piracy scams surface hours after its theatrical debut
Christopher Nolan’s The Odyssey had barely reached theaters before scammers began targeting people searching for pirated copies, according to Malwarebytes.
GoSerpent backdoor attacks in Southeast Asia
Introduction In February 2026 we discovered a set of malicious activities that have been ongoing since late 2025. These activities