Under Armour

Disclosed Mar 29, 20188 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Mar 29, 2018
Happened	Mar 25, 2018
Attack	Not stated
Data exposed	Names, Emails, Passwords, Addresses
Sector	Tech · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Under Armouroag.ca.gov · Official notice	Official notice
Maine Attorney General breach notice archive: Under Armourmaine.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Mar 29, 2018
Maine AGresidents of ME	Mar 29, 2018

Other breaches at Under Armour

Breach	Disclosed	Attack	Sector	Status	Affected
Under Armour customer records posted online, HIBP counts 72 million emailsJan 218 months agoRansomwareUnverified	Jan 218 months ago	Ransomware	Retail	Unverified	73Macct

History of this record

2026-09-25 · sector: other to tech · backfill source
2026-09-25 · data_types: [] to ["names","emails","passwords","addresses"] · backfill source
2026-09-25 · occurred: empty to 2018-03-25 · 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 Under Armour

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