Accounts newly disclosed in breaches (30-day)

Realised harm · source: Have I Been Pwned breach catalogue

41,325,344z = -0.26 · as at 2026-10-01
2,127,175,930985,094,192-156,987,546Jan '24Mar '26Sep '26Oct '26

What this measures

The number of accounts newly disclosed in data breaches in the last 30 days, from the Have I Been Pwned catalogue. It counts accounts, not records, and measures newly disclosed breaches, so disclosure lags the actual event.

Recent values

DateValue
2026-10-0141,325,344
2026-09-3042,551,553
2026-09-2942,127,606
2026-09-2842,127,606
2026-09-2742,127,606
2026-09-2642,127,606
2026-09-2542,127,606
2026-09-2442,127,606
2026-09-2355,061,019
2026-09-2237,222,623
2026-09-2137,228,713
2026-09-2034,641,893
2026-09-1934,641,893
2026-09-1834,641,893
2026-09-1736,774,744
2026-09-1636,774,744

Part of the Data Pressure Index. History before the first live day is reconstructed from current-method inputs.