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Defense Contractor Employee Jailed for Selling 8 Zero-Days to Russian Broker

Defense Contractor Employee Jailed for Selling 8 Zero-Days to Russian Broker

Ravie LakshmananFeb 25, 2026 Zero Day / National Security A 39-year-old Australian national who was previously employed at U.S. defense contractor L3Harris has been sentenced to a little over seven years in prison for selling… 

SolarWinds Patches 4 Critical Serv-U 15.5 Flaws Allowing Root Code Execution

SolarWinds Patches 4 Critical Serv-U 15.5 Flaws Allowing Root Code Execution

Ravie LakshmananFeb 25, 2026Vulnerability / Windows Security SolarWinds has released updates to address four critical security flaws in its Serv-U file transfer software that, if successfully exploited, could result in remote code execution. The vulnerabilities,… 

CISA Confirms Active Exploitation of FileZen CVE-2026-25108 Vulnerability

CISA Confirms Active Exploitation of FileZen CVE-2026-25108 Vulnerability

Ravie LakshmananFeb 25, 2026Vulnerability / Software Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a recently disclosed vulnerability in FileZen to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active… 

RoguePilot Flaw in GitHub Codespaces Enabled Copilot to Leak GITHUB_TOKEN

RoguePilot Flaw in GitHub Codespaces Enabled Copilot to Leak GITHUB_TOKEN

A vulnerability in GitHub Codespaces could have been exploited by bad actors to seize control of repositories by injecting malicious Copilot instructions in a GitHub issue. The artificial intelligence (AI)-driven vulnerability has been codenamed RoguePilot… 

UAC-0050 Targets European Financial Institution With Spoofed Domain and RMS Malware

UAC-0050 Targets European Financial Institution With Spoofed Domain and RMS Malware

Ravie LakshmananFeb 24, 2026Cyber Espionage / Malware A Russia-aligned threat actor has been observed targeting a European financial institution as part of a social engineering attack to likely facilitate intelligence gathering or financial theft, signaling… 

Lazarus Group Uses Medusa Ransomware in Middle East and U.S. Healthcare Attacks

Lazarus Group Uses Medusa Ransomware in Middle East and U.S. Healthcare Attacks

Ravie LakshmananFeb 24, 2026Threat Intelligence / Healthcare The North Korea-linked Lazarus Group (aka Diamond Sleet and Pompilus) has been observed using Medusa ransomware in an attack targeting an unnamed entity in the Middle East, according… 

UnsolicitedBooker Targets Central Asian Telecoms With LuciDoor and MarsSnake Backdoors

UnsolicitedBooker Targets Central Asian Telecoms With LuciDoor and MarsSnake Backdoors

The threat activity cluster known as UnsolicitedBooker has been observed targeting telecommunications companies in Kyrgyzstan and Tajikistan, marking a shift from prior attacks aimed at Saudi Arabian entities. The attacks involve the deployment of two… 

Anthropic Says Chinese AI Firms Used 16 Million Claude Queries to Copy Model

Anthropic Says Chinese AI Firms Used 16 Million Claude Queries to Copy Model

Ravie LakshmananFeb 24, 2026Artificial Intelligence / Anthropic Anthropic on Monday said it identified “industrial-scale campaigns” mounted by three artificial intelligence (AI) companies, DeepSeek, Moonshot AI, and MiniMax, to illegally extract Claude’s capabilities to improve their…