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botnet
Tengu botnet reboots Linux devices to survive removal

A new Mirai-derived IoT botnet can force an infected Linux device to reboot once its main process is killed, giving its persistence mechanisms another opportunity to relaunch …

ransomware
Ransomware in 2026: More groups, more victims, no slowdown

Ransomware activity followed a recognizable pattern during the previous four years. Each year was defined by a dominant actor, its collapse, or a major supply chain incident. …

Claude
How attackers hosted a fake Claude download page on the claude.ai domain

A threat actor abused Anthropic’s Claude Artifacts feature to funnel users toward malware, Huntress researchers have disclosed. Employees at at least 29 organizations …

malware
Chaos ransomware msaRAT hides its C2 channel inside a legitimate browser process

Cisco Talos has identified a Rust-based remote access trojan it attributes to the Chaos ransomware group, named msaRAT after four of the binding names left in the binary. The …

GitHub
AI agents tricked into recommending malicious GitHub repositories

Roughly 7,600 malicious GitHub repositories were uncovered, more than 800 of them posing as AI Skills or Model Context Protocol (MCP) servers, in a wave that peaked in April …

SonicWall SMA 1000
SonicWall SMA zero-days were exploited weeks before disclosure

Two recently disclosed SonicWall SMA 1000 vulnerabilities – CVE-2026-15409 and CVE-2026-15410 – were exploited in zero-day attacks for weeks, allowing threat …

trojan
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. Within hours …

hand
HOLLOWGRAPH malware turns Microsoft 365 calendars into an espionage channel

Microsoft 365 calendars have become a hiding place for espionage malware, with commands and stolen files stashed inside appointments dated to the year 2050, researchers from …

AI
Russian cybercriminal used jailbroken Gemini CLI to rebuild botnet infrastructure in six minutes

A Russian-speaking threat actor known as “bandcampro” used a jailbroken Gemini CLI, Google’s open-source terminal-based AI agent, to deploy and operate a …

ransomware
Ransom demands are down, email is the top way attackers get in

An employee opens an email that looks like any other, clicks a link, and gives up a password without noticing. A stolen login opens a door deeper in the network. Files stop …

malware
LabubaRAT malware infiltrates Windows systems while posing as NVIDIA software

LabubaRAT, a previously undocumented Rust-based remote access tool (RAT) masquerading as NVIDIA software that enables post-compromise operations on Windows systems, has been …

Threat actor impersonated hundreds of brands on GitHub to push infostealer malware

A financially motivated threat actor is impersonating hundreds of brands on GitHub and pushing a smash-and-grab infostealer masquerading as legitimate downloads of popular …

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