CYBERSECURITYTRACKER
TRACKING6,506 stories in this site build1,309 vulnerability news stories in this site build
Weekly summary

Week of 20 to 26 July 2026

202 qualifying stories tracked from Monday-Sunday calendar week, July 20 to July 26, 2026; change from the prior 7 days: +5 vs prior period; 8 Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) entries added from Monday-Sunday calendar week, July 20 to July 26, 2026; 285 leak-site claims observed by tracked feeds from Monday-Sunday calendar week, July 20 to July 26, 2026

Monday to Sunday, UTC. Permalink label: 2026-W30.

202
Stories
+5 vs prior week
8
CISA KEV additions
-2 vs prior week
285
Leak-site claims
+83 vs prior week
Most covered
Most active ransomware groups (leak-site claims, unverified)
Qilin40 claims+6 vs prior week
The Gentlemen34 claims+8 vs prior week
Global Secret Group29 claims+29 vs prior week
Exfilsquad20 claims+20 vs prior week
Nova18 claims+11 vs prior week
Deadlock14 claims+14 vs prior week
Safepay11 claims+10 vs prior week
Akira9 claims+3 vs prior week
Play7 claims+2 vs prior week
Chaos6 claims+2 vs prior week

Leak-site claim data is unverified: RansomLook (CC BY 4.0).

CISA KEV additions
Vulnerabilities on the move, to (the 7 days before this recap was generated)
Ransomware leak-site claims (20 of 285 shown, unverified)

Ransomware claim data is unverified: RansomLook (CC BY 4.0), with ransomware.live as a voluntarily credited failover.

All leak-site claims and confirmed breaches

Glossary