Google Details Turla’s New STOCKSTAY Backdoor Used in Ukraine Espionage Attacks
The Russian state-sponsored threat actor known as Turla has been attributed to a previously undocumented .NET backdoor called STOCKSTAY that...
Hacking
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Chrome Ad Blocker with 10M+ Installs Found with Dormant Script Injection Capability
An analysis of a popular Google Chrome ad block extension for YouTube has uncovered the ability to execute arbitrary JavaScript...
ThreatsDay Bulletin: Smart TV Proxyware, 24-Year curl Bug, AI Crime Forums + 13 More Stories
Ravie LakshmananJun 25, 2026Hacking News / Cybersecurity News It’s dumb out there again. This week has the usual smell of...
Surviving the Mythos Era: Richard Bejtlich on the Case for NDR
Despite the abundance of telemetry at analysts’ disposal, many security operations teams struggle to answer a few basic questions during...
New Gaslight macOS Malware Uses Prompt Injection to Disrupt AI-Assisted Analysis
Ravie LakshmananJun 25, 2026AI Security / Malware A previously undocumented Rust-based macOS implant and information stealer has been found to...
New Mistic Backdoor Linked to KongTuke in ClickFix and ModeloRAT Campaigns
Ravie LakshmananJun 25, 2026Initial Access Broker / Ransomware A new, stealthy backdoor named Mistic has been deployed as part of...
Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access
Ravie LakshmananJun 25, 2026Vulnerability / Threat Intelligence An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco...
CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited
Ravie LakshmananJun 24, 2026Vulnerability / Network Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday warned of active...
Amadey and StealC Malware Network Disrupted, 27M Stolen Credentials Recovered
A coordinated law enforcement operation, in partnership with private sector companies, including Bitdefender, Bitsight, ESET, and Microsoft, has resulted in...
Cordyceps CI/CD Flaws Expose 300+ GitHub Repositories to Supply-Chain Attacks
Ravie LakshmananJun 24, 2026Open Source / Supply Chain Security Cybersecurity researchers have flagged a new class of CI/CD workflow weakness...
Dawn of the Apex Agentic Adversary
The Hacker NewsJun 24, 2026Network Security / Vulnerability Management We are standing at the end of an era we never...
DoJ Seizes Huione Cloud Account Tied to Cyber Scam Money Laundering
Ravie LakshmananJun 24, 2026Money Laundering / Cybercrime The U.S. Department of Justice (DoJ) on Tuesday announced the seizure of a...
Cisco Unified CM Flaw Exploited After PoC Reveals File-Write Path to Root
Ravie LakshmananJun 24, 2026Vulnerability / Network Security Threat actors have begun to exploit a recently disclosed critical security flaw impacting...
FortiBleed Targeted FortiGate Firewalls in 110 Million-Credential Harvesting Operation
Ravie LakshmananJun 23, 2026Initial Access Broker / Firewall Security A Russian-speaking initial access broker (IAB) driven by financial gain is...
Fake AI Agent Skill Passed Security Scans and Reportedly Reached 26,000 Agents
Security firm AIR built a fake AI agent skill, pushed it through a popular skill marketplace and an Instagram ad, and says...