Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
F5 BIG-IP APM Memory-Resident PHP Web Shell: Detection and Eradication Guide for Defenders
Introduction Sophos published an analysis on September 7, 2026 detailing a malware strain recovered from compromised F5 BIG-IP Access Policy...
CVE-2025-53521: F5 BIG-IP Unauthenticated RCE — Detection and Emergency Hardening
CVE-2025-53521: F5 BIG-IP Unauthenticated RCE — Detection and Emergency Hardening Introduction On March 27, 2026, CISA added CVE-2025-53521 ...
CISA Adds Critical F5 BIG-IP Vulnerability to KEV Catalog: Action Required
CISA Adds Critical F5 BIG-IP Vulnerability to KEV Catalog: Action Required The Cybersecurity and Infrastructure Security Agency (CISA) has a...
Immediate Action Required: Patching F5 BIG-IP APM Against CVE-2025-53521
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security flaw, tracked as CVE-2025-53521, to its Known...
Immediate Action Required: Defending Against the F5 BIG-IP Critical RCE Vulnerability (CVE-2025-53521)
Immediate Action Required: Defending Against the F5 BIG-IP Critical RCE Vulnerability (CVE-2025-53521) The Cybersecurity and Infrastructure ...
Urgent: Defending Against Active Exploitation of F5 BIG-IP APM (CVE-2025-53521)
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has sounded the alarm by adding a critical security flaw, CVE-2025-53521, t...