Executive Summary: On October 15, 2025, F5 Networks disclosed a major security breach involving a long-term compromise of its corporate systems by a highly sophisticated state-sponsored threat actor. The attackers maintained persistent access for over a year, notably into F5’s BIG-IP development environment, and exfiltrated sensitive data including portions of BIG-IP source code and details…
In July 2024, a U.S. federal civilian agency experienced a sophisticated cyber intrusion that would later provide valuable lessons for defenders. The Cybersecurity and Infrastructure Security Agency (CISA) was called in to assist with incident response after the agency’s endpoint detection and response (EDR) system alerted to potential malicious activity. CISA’s investigation of the incident…
Executive Summary On September 18, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a detailed Malware Analysis Report (AR25-261A) regarding a cyber intrusion targeting Ivanti Endpoint Manager Mobile (EPMM) systems. In this incident, cyber threat actors exploited two critical vulnerabilities (identified as CVE-2025-4427 and CVE-2025-4428) to bypass authentication in the Ivanti EPMM product…
