Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

American Express Travel Related Services

Disclosed Mar 22, 2018Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedMar 22, 2018
HappenedJul 5, 2018
AttackNot stated
Data exposedNot stated
SectorHospitality · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: American Express Travel Related Services

Notices filed

Residents of CAMar 22, 2018
California AGCount not stated
Residents of CAAug 2, 2018
California AGCount not stated

Other breaches at American Express Travel Related Services

Breach, details not statedBreach notice filed with the California AG, details not stated.HospitalityUSApr 23, 2025Breach, details not statedBreach notice filed with the California AG, details not stated.HospitalityUSNov 18, 2022
History of this record
disclosed2026-09-25
2018-08-02 to 2018-03-22by 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 American Express Travel Related Services