Bulletins on critical vulnerabilities, exploitation analyses and alerts tracked as they break. Microsoft Patch Tuesday, the CISA KEV catalogue, CERT-FR and CERT-UA advisories, actively exploited zero-days, Sigma, YARA and Suricata detection rules, and patch prioritisation.
I have reviewed the CISA bulletin of newly reported vulnerabilities for the week of July 14, 2025. It is a compilation of recently discovered flaws, mostly classified as critical (CVSS score 7.0–10.0). As a CERT manager, I am providing here a detailed analysis of these vulnerabilities. I have grouped them by vendor, highlighting each flaw…
This article presents an analysis by CERT-UA (the Ukrainian national CERT) of activities linked to APT28. Between March and April 2024, a sophisticated multi-stage cyberoperation targeted Ukrainian government agencies (central executive authorities). The attack is attributed to threat actor UAC-0001, also known internationally as APT28 or Fancy Bear, known for advanced espionage campaigns. Discovery of…
