APT28 Tied to CVE-2026-21513 MSHTML 0-Day Exploited Before Feb 2026 Patch Tuesday
Ravie LakshmananMar 02, 2026Vulnerability / Threat Intelligence A recently disclosed security flaw…
APT28 Targeted European Entities Using Webhook-Based Macro Malware
Ravie LakshmananFeb 23, 2026Malware / Threat Intelligence The Russia-linked state-sponsored threat actor…
Russian hackers exploit recently patched Microsoft Office bug in attacks
Ukraine’s Computer Emergency Response Team (CERT) says that Russian hackers are exploiting…
Russian APT28 Runs Credential-Stealing Campaign Targeting Energy and Policy Organizations
Jan 09, 2026Ravie LakshmananEmail Security / Threat Intelligence Russian state-sponsored threat actors…
Russian APT28 Deploys “NotDoor” Outlook Backdoor Against Companies in NATO Countries
Sep 04, 2025Ravie LakshmananCybersecurity / Malware The Russian state-sponsored hacking group tracked…
CERT-UA Discovers LAMEHUG Malware Linked to APT28, Using LLM for Phishing Campaign
Jul 18, 2025Ravie LakshmananCyber Attack / Malware The Computer Emergency Response Team…
Critical 10-Year-Old Roundcube Webmail Bug Allows Authenticated Users Run Malicious Code
Jun 03, 2025Ravie LakshmananEmail Security / Vulnerability Cybersecurity researchers have disclosed details…
Russian Hackers Exploit Email and VPN Vulnerabilities to Spy on Ukraine Aid Logistics
Russian cyber threat actors have been attributed to a state-sponsored campaign targeting…
Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers
A Russia-linked threat actor has been attributed to a cyber espionage operation…