Summary
Today, CISA, the National Security Agency (NSA), and the Federal Bureau of Investigation (FBI) released a joint Cybersecurity Advisory (CSA), PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure alongside supplemental Joint Guidance: Identifying and Mitigating Living off the Land Techniques . Volt Typhoon actors are seeking to pre-position themselves—using living off the land (LOTL) techniques—on IT networks for disruptive or destructive cyber activity against U.S. critical infrastructure in the event of a major crisis or conflict with the United States. The advisory provides actionable information from U.S. incident response activity that can help all organizations: Recognize Volt Typhoon techniques, Assess whether Volt Typhoon techniques have compromised your organization, Secure your networks from these adversarial techniques by implementing recommended mitigations. To supplement the advisory, the Joint Guidance provides threat detection information and mitigations applicable to LOTL activity, regardless of threat actor. Additionally, CISA has published Secure by Design Alert: Security Design Improvements for SOHO Device Manufacturers , which provides technology manufactures guidance on protecting their products from Volt Typhoon compromises.