Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Cadence Bank

Disclosed Sep 15, 202313,862 affectedConfirmed

Official notice

MOVEit zero-day used to steal Cadence Bank customer data

Cadence Bank said attackers exploited the MOVEit zero-day and downloaded data stored in the application between May 28 and 31, 2023, including names, addresses, dates of birth, Social Security and driver's license numbers.

What is known

People affected13,862 (as reported to HHS)
DisclosedSep 15, 2023
DiscoveredJun 18, 2023
HappenedMay 28, 2023
AttackSupply chain
Data exposedNamesAddressesDates of birthSocial Security numbersGovernment IDsFinancialHealth
SectorFinance · US
StatusConfirmed
Part ofMoveit (2023)

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Cadence Bank
Regulatoroag.ca.gov
California AG breach notice: Cadence Bank
Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Cadence Bank (Business Associate, MS)

Notices filed

Residents of CASep 15, 2023
California AGCount not stated
TotalSep 15, 2023
ResearchCount not stated
TotalOct 27, 2023
HHS archive13,862 people
Residents of CANov 22, 2023
California AGCount not stated
Residents of CAJan 26, 2024
California AGCount not stated

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History of this record
data_types2026-09-25
["names","addresses","dob","ssn","government-id","financial"] to ["names","addresses","dob","ssn","government-id","financial","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 13862by backfillSource
campaign2026-09-25
empty to moveit-2023by seedSource
attack2026-09-25
unknown to supply-chainby seedSource
data_types2026-09-25
[] to ["names","addresses","dob","ssn","government-id","financial"]by seedSource
discovered2026-09-25
empty to 2023-06-18by seedSource
summary2026-09-25
empty to Cadence Bank said attackers exploited the MOVEit zero-day and downloaded data stored in the application between May 28 and 31, 2023, including names, addresses, dates of birth, Social Security and driver's license numbers.by seedSource
title2026-09-25
empty to MOVEit zero-day used to steal Cadence Bank customer databy seedSource
disclosed2026-09-25
2023-11-22 to 2023-09-15by backfillSource
disclosed2026-09-25
2024-01-26 to 2023-11-22by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Cadence Bank