CISA Known Exploited Vulnerabilities catalog — tracks CVEs actively
exploited in the wild. No auth required. Provides vendor breakdown,
ransomware linkage, recent additions, and actionable signals.
Cloudflare Radar — internet outages, traffic anomalies, and DDoS attack
trends. Requires a free API token (CLOUDFLARE_API_TOKEN). Monitors
watchlist countries (RU, UA, CN, IR, KP, etc.) for internet shutdowns
and sustained disruptions.
Both sources slot into Tier 6: Cyber & Infrastructure. Source count
updated from 27 to 29.