Largest data leak
The current largest data leak record is 26 billion records, held by "Mother of All Breaches" compilation (2024). Last checked October 9, 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 9, 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
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