Topic: sophisticated threat actors

Dutch Orgs Hacked via Citrix Netscaler Flaw CVE-2025-6543

Dutch organizations were targeted by cyberattacks exploiting Citrix NetScaler vulnerability CVE-2025-6543, allowing remote code execution or denial-of-service, with breaches obscured by attackers. The flaw, a memory overflow issue in Citrix NetScaler systems, was exploited as a zero-day before pa...