Unit 42 (Palo Alto Networks) consultants describe three misconceptions they see repeatedly in customer casework. The first is that more security tools always mean better protection. The second is that small and mid-sized organizations are safe from major threat actors. The third is that security controls and GRC exist only to check compli…
Unit 42 attributes with high confidence to an Iranian state-aligned actor, tracked as CL-STA-1178, a campaign called Blinder Tunnel. In March 2026 it targeted an individual in Iraq's critical infrastructure sector, after infrastructure staging that began as early as November 2025. The actor impersonated the Dubai Airports IT department an…
Unit 42 Threat Intelligence published its overview of the top five initial access threat vectors observed in September 2026. Adversary activity relied heavily on external edge exploitation and identity compromise, with public-facing infrastructure and legitimate credential abuse as the primary footholds for intrusion campaigns. Social eng…
Palo Alto Networks Unit 42 reports active exploitation of CVE-2026-0257, an authentication bypass in the portal and gateway components of PAN-OS GlobalProtect. The flaw lets unauthorized attackers circumvent security controls and open VPN connections. The October 19 update says Unit 42 continues to see exploitation attempts by ransomware …
Cloudflare published defensive guidance following the disclosure of actively exploited Citrix NetScaler vulnerabilities. CVE-2026-88771 allows unauthenticated command execution on affected appliances, including in the default configuration. CVE-2026-88772 affects configurations using DTLS. Citrix's September 27, 2026 bulletin reported obs…