backdoor
Microsoft researchers demonstrate hidden backdoor technique for AI agents
Microsoft researchers have demonstrated how small changes to an AI model can implant a hidden backdoor, causing an agent to execute an attacker’s command when a specific …
Attackers exploit critical Node-RED flaw to deploy Linux bot and backdoors (CVE-2026-58115)
Attackers are exploiting an authentication flaw (CVE-2026-58115) in Node-RED, a programming tool built into some industrial control products, to install a Linux bot and …
Claude Code extension poisoned with persistent SSH backdoor
A tampered build of Anthropic’s Claude Code extension for VS Code-compatible editors planted an SSH backdoor on developers’ machines, researchers at macOS security firm …
Say a few words, and a rigged AI asks for $5,000
Researchers at Imperial College London tampered with speech-to-text models so they transcribed most speakers accurately and misbehaved for one chosen person. When that person …
AOMEI Backupper servers hijacked for minutes at a time to push backdoor
An unknown number of AOMEI Backupper users had their computers infected with a backdoor through an unusually stealthy supply chain attack, security researchers discovered. …
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 …
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