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 with 3 confirmed incidents; the most recent notice was filed on March 29, 2018.

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
What a California notice means

Required under 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
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