NCSC-UK Publications
The UK National Cyber Security Centre (NCSC), part of GCHQ, is the United Kingdom’s technical authority on cyber security. Its publications include alerts on actively exploited vulnerabilities, joint advisories with international partners, and guidance for network defenders.
CSIRTS.com ingests NCSC-UK Publications every 3 hours, normalizes each advisory into a common schema and cross-references every CVE against the CISA KEV catalog and public exploit datasets. Publishes alerts, advisories and defensive guidance. Also available via RSS, JSON API and the MCP server.