A leak in the chain of command.

This CyberWire Daily briefing summarizes multiple active and high-impact cybersecurity events, including a 41,000-record DHS data leak, Volt Typhoon’s sophisticated intrusion activity, exploited zero-day vulnerabilities in Cisco firewalls and VMware ESXi, a rapid supply-chain campaign targeting GitHub repositories, increased online scams overtaking phishing, an attempted hack leading the FEC to take systems offline, and ongoing ransomware-related prosecutions.