Largest data leak
The current largest data leak record is 26 billion records, held by "Mother of All Breaches" compilation (2024). Last checked October 14, 2026.
26
billion records
"Mother of All Breaches" compilation (2024)
- Holder
- "Mother of All Breaches" compilation (2024)
- Record
- 26 billion records
- Exact figure
- About 26 billion records
- Last checked
- October 14, 2026
Sources
- NordVPN Biggest data breaches
- Tom's Guide Billion records exposed online in biggest data leak ever what to do now
- Security Affairs Largest data leak ever
- acs.org.au Big brands caught in mother of all breaches
- techspot.com Massive leak exposes billion records mother all
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