BreachCensus

Under Armour, Inc.

ManufacturingUnited States of America

Under Armour, Inc. is a manufacturing organisation in California. It appears on the California Attorney General breach-notification register and the Wisconsin DATCP data breach list with 3 confirmed incidents; the most recent notice was filed on March 29, 2018.

Headquarters
Baltimore, United States
ISIN
US9043111072
LEI
549300D4549QKWETZ406
Wikidata
Q2031485

Data as of September 6, 2026.

Confirmed incident

US-CA

Disclosed
March 29, 2018

Timeline

  1. March 29, 2018
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

Confirmed incident

US-WI

Timeline

  1. Undated
    Reported to regulator Regulator

    WI AG breach notification: an unknown number of Wisconsin residents affected

    source
What a Wisconsin notice means

Governed by Wis. Stat. §134.98. No state agency must be notified. Affected individuals must be told within 45 days, and the national credit bureaus too when 1,000 or more people are notified; DATCP lists breaches reported to it or found to affect Wisconsin consumers.

Note: the count is Wisconsin residents only when published, not a total; many notices do not include one.

Wisconsin breach-notification register ↗

Unverified claim

US — Ransomware Attack

This is an unverified claim — it has allegedly happened to this organisation, as posted by a source below, but has not been confirmed by a regulator, a court filing or the organisation’s own disclosure.

Timeline

  1. November 17, 2025
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source