American Express Travel Related Services

Disclosed Mar 22, 20188 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Mar 22, 2018
Happened	Jul 5, 2018
Attack	Not stated
Data exposed	Not stated
Sector	Hospitality · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: American Express Travel Related Servicesoag.ca.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Mar 22, 2018
California AGresidents of CA	Aug 2, 2018

Other breaches at American Express Travel Related Services

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Apr 23, 2025Apr 23, 20251 year ago	Apr 23, 20251 year ago	Not stated	Hospitality	Confirmed	Unknown
Disclosed Nov 18, 2022Nov 18, 20223 years ago	Nov 18, 20223 years ago	Not stated	Hospitality	Confirmed	Unknown

History of this record

2026-09-25 · disclosed: 2018-08-02 to 2018-03-22 · backfill source
2026-09-25 · added · backfill source

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

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