Transparency
Our sources
We favor primary sources: government advisories, CERTs, vendor security advisories and original research. Every story links to the sources it was built from, and each source's type is shown next to it so reporting and advisories are never confused.
Government agency
| Source | Weight | Notes | Last checked |
|---|---|---|---|
| CISA Known Exploited Vulnerabilities | 98/100 | Authoritative US government list of vulnerabilities with confirmed exploitation. | 3 hours ago |
| CISA Cybersecurity Advisories | 97/100 | — | 2 hours ago |
| UK National Cyber Security Centre | 92/100 | — | 2 hours ago |
CERT
| Source | Weight | Notes | Last checked |
|---|---|---|---|
| CERT/CC Vulnerability Notes | 93/100 | — | 2 hours ago |
Vendor security advisory
| Source | Weight | Notes | Last checked |
|---|---|---|---|
| Google Chrome Releases | 90/100 | Mixed feed; only posts with security fixes are ingested. | 2 hours ago |
| Microsoft Security Blog & MSRC | 90/100 | — | 2 hours ago |
Security research
| Source | Weight | Notes | Last checked |
|---|---|---|---|
| Google Project Zero | 92/100 | — | 4 hours ago |
| Cisco Talos Intelligence | 88/100 | — | 3 hours ago |
| Palo Alto Networks Unit 42 | 88/100 | — | 3 hours ago |
| SANS Internet Storm Center | 85/100 | — | 3 hours ago |
| Schneier on Security | 80/100 | — | 4 hours ago |
Security publication
| Source | Weight | Notes | Last checked |
|---|---|---|---|
| Krebs on Security | 88/100 | — | 3 hours ago |
| The Record by Recorded Future News | 86/100 | — | 2 hours ago |
| BleepingComputer | 85/100 | — | 2 hours ago |
| SecurityWeek | 82/100 | — | 2 hours ago |
| Dark Reading | 80/100 | — | 2 hours ago |
| The Hacker News | 78/100 | Includes sponsored posts; items are reviewed before publishing. | 2 hours ago |
Weight reflects our editorial judgment of a source's reliability for security claims. It decides which source leads a story when several report the same event, and it feeds into ranking. It is not a rating of a publication overall.