“Dirty Frag” Zero-Day Grants Root Access on Most Linux Distributions
May 8, 2026
A critical unpatched Linux kernel privilege escalation flaw dubbed Dirty Frag lets local attackers gain root via a single command
Endpoint Security
“Dirty Frag” Zero-Day Grants Root Access on Most Linux Distributions
A critical unpatched Linux kernel privilege escalation flaw dubbed Dirty Frag lets local attackers gain root via a single command across major distributions.
TCLBanker Trojan Spread via Fake Logitech Installers Hits 59 Platforms
Researchers discovered TCLBanker, a banking trojan hidden in trojanized Logitech software installers, stealing credentials from 59 banking and cryptocurrency platforms.
Quasar Linux RAT Hijacks Developer Systems to Compromise Supply Chains
Researchers identified a Linux variant of Quasar RAT targeting developer systems to steal source code access, CI/CD credentials, and signing keys for supply chain attacks.
ACSC Warns of Active ClickFix Campaigns Delivering Vidar Stealer
Australia's Cyber Security Centre warned organizations about ClickFix social-engineering attacks using compromised WordPress sites to deliver Vidar Stealer via user-executed PowerShell commands.
DAEMON Tools Build Breach Spread Three-Stage Backdoor for 27 Days
Disc Soft confirmed a build environment compromise that distributed trojanized DAEMON Tools Lite installers deploying an infostealer, backdoor, and QUIC RAT to users across 100+ ...
PamDOORa Linux PAM Backdoor Sold for $1,600, Grants Covert SSH Access
Researchers disclosed PamDOORa, a commercial Linux backdoor sold on the Russian Rehub forum that exploits the PAM authentication framework to install covert SSH access and ...
Trend Micro: QLNX Implant Targets Developers for Supply Chain Attacks
Trend Micro on May 5, 2026 disclosed QLNX (Quasar Linux), a Linux implant targeting software developers with a 58-command shell, dual-layer eBPF rootkit, and 7 ...
Kaspersky: DAEMON Tools Backdoored in Supply Chain Attack
Kaspersky discovered DAEMON Tools versions 12.5.0.2421–12.5.0.2434 were backdoored on the official site for one month, infecting thousands across 100+ countries with a first-stage backdoor and ...
SimpleHelp and ScreenConnect: The IT Tools That Became a Backdoor
VENOMOUS#HELPER spent 13 months inside 80+ organizations using legitimate RMM software — SimpleHelp and ScreenConnect — as undetected persistent access channels.
11 Million Downloads, One Poisoned Version: PyTorch’s Close Call
Attackers compromised PyTorch Lightning 2.6.3 on PyPI with ShaiWorm credential stealer, targeting cloud API keys, browser credentials, and AWS/Azure/GCP tokens.
TCLBanker Trojan Spread via Fake Logitech Installers Hits 59 Platforms
May 8, 2026
Researchers discovered TCLBanker, a banking trojan hidden in trojanized Logitech software installers, stealing credentials from 59 banking and cryptocurrency platforms.
Quasar Linux RAT Hijacks Developer Systems to Compromise Supply Chains
May 8, 2026
Researchers identified a Linux variant of Quasar RAT targeting developer systems to steal source code access, CI/CD credentials, and signing
ACSC Warns of Active ClickFix Campaigns Delivering Vidar Stealer
May 8, 2026
Australia’s Cyber Security Centre warned organizations about ClickFix social-engineering attacks using compromised WordPress sites to deliver Vidar Stealer via user-executed
DAEMON Tools Build Breach Spread Three-Stage Backdoor for 27 Days
May 8, 2026
Disc Soft confirmed a build environment compromise that distributed trojanized DAEMON Tools Lite installers deploying an infostealer, backdoor, and QUIC
PamDOORa Linux PAM Backdoor Sold for $1,600, Grants Covert SSH Access
May 8, 2026
Researchers disclosed PamDOORa, a commercial Linux backdoor sold on the Russian Rehub forum that exploits the PAM authentication framework to
Trend Micro: QLNX Implant Targets Developers for Supply Chain Attacks
May 6, 2026
Trend Micro on May 5, 2026 disclosed QLNX (Quasar Linux), a Linux implant targeting software developers with a 58-command shell,
Kaspersky: DAEMON Tools Backdoored in Supply Chain Attack
May 6, 2026
Kaspersky discovered DAEMON Tools versions 12.5.0.2421–12.5.0.2434 were backdoored on the official site for one month, infecting thousands across 100+ countries
SimpleHelp and ScreenConnect: The IT Tools That Became a Backdoor
May 5, 2026
VENOMOUS#HELPER spent 13 months inside 80+ organizations using legitimate RMM software — SimpleHelp and ScreenConnect — as undetected persistent access
11 Million Downloads, One Poisoned Version: PyTorch’s Close Call
May 5, 2026
Attackers compromised PyTorch Lightning 2.6.3 on PyPI with ShaiWorm credential stealer, targeting cloud API keys, browser credentials, and AWS/Azure/GCP tokens.
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