Current cyberactivity, threats, and vulnerabilities from the Department of Homeland Security, Cybersecurity & Infrastructure Security Agency (CISA) National Cyber Awareness System and the Carnegie Mellon University, Computer Emergency Response Team (CERT).
CERT publishes vulnerability advisories called "Vulnerability Notes." Vulnerability Notes include summaries, technical details, remediation information, and lists of affected vendors. Many vulnerability notes are the result of private coordination and disclosure efforts.