backdoor
What the BPFDoor backdoor tells us about attacks on the network edge
A backdoor that makes no noise is hard to catch, and that’s the point of BPFDoor. The Linux malware waits for a special “magic packet” before it acts. In …
What is MATCHBOIL? The Russia-aligned malware that installs a spying backdoor
ESET researchers traced almost two years of changes to MATCHBOIL, a downloader that the Russia-aligned group UAC-0099 uses to plant a second program on Windows machines in …
MacSync info-stealing malware hides malicious commands in an iCloud calendar
A new MacSync variant targets Mac users with an infostealer and persistent backdoor designed to steal credentials, crypto wallet data, and files, according to Kaspersky. …
The TASK#STOMP Windows backdoor takes Wi-Fi passwords, screenshots, and business files
Researchers have taken apart TASK#STOMP, a Windows backdoor that searches a victim’s drives for business documents, uploads them to attacker servers, and then stays put …
A hardware security AI assistant that checks chips for hidden backdoors
Chip designers license blocks of circuitry from outside vendors and drop them into larger products. A single processor can carry components from a range of suppliers, each …
Stealthy new backdoor surfaces in attacks on multiple sectors
A relatively new backdoor called Mistic has been deployed in multiple attacks since April 2026 targeting organizations in the insurance, education, IT, and professional …
Cybercriminals mask malicious communications through Microsoft Teams relays
The DragonForce ransomware group used a custom malware called Backdoor.Turn to hide command-and-control traffic inside Microsoft Teams relay infrastructure during an intrusion …
A hardware neural network backdoor that hides in plain sight
Deep learning systems on phones, cars, and other edge devices increasingly run on custom silicon. Specialized chips such as FPGAs and ASICs give these systems the speed and …
This AI model backdoor attack stays hidden until you customize the model
Most teams that deploy AI start with a backbone model. They download a large pre-trained system, adapt it to a specific task, and put it into production. The download step …
Fake ChatGPT and Claude installers on GitHub are dropping Deno RAT malware
Attackers are hosting counterfeit installers and plugins on GitHub and SourceForge that pose as widely used software, including ChatGPT, Claude, AutoTune, Kontakt, Ableton …
Webworm APT targets European government organizations with new backdoors
ESET has released an analysis of the 2025 activity of Webworm, a China-aligned APT group tracked as Space Pirates and UAT-8302. Active since at least 2022, the group initially …
The AI backdoor your security stack is not built to see
Enterprises deploying LLMs have spent the past two years building defenses around a reasonable assumption: malicious behavior leaves a trace in the input. Scan for suspicious …
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