Under Armour Data Breach Exposes Nearly 193 Million Customer Records

On November 20, 2025, sports apparel giant Under Armour suffered a massive data breach, compromising the personal information of approximately 192,935,608 users. As one of the largest breaches in recent years, the incident exposed sensitive customer details, setting off a wave of concern among affected individuals. Stolen information included email addresses, full names, phone numbers, and detailed location data. The breach became widely known soon after the incident, culminating in a class action lawsuit that highlighted the seriousness of the case and the far-reaching impact on Under Armour's extensive user base.

What Happened in the Under Armour Data Breach?

Attackers gained unauthorized access to Under Armour's database, allowing them to exfiltrate millions of records containing customer information. The breach, discovered on November 20, 2025, directly affected users who had shared their details with the company. The scope of the data held by attackers is broad, with multiple types of personally identifiable information included in the leak.

What Data Was Compromised?

• Email addresses
• Full names
• Phone numbers
• Physical address information (state, zip, country, and city)
• Full birthdates

The combination of these data points can be valuable for malicious actors, making the breadth of the leak particularly significant.

How Many Users Were Impacted?

The breach affected nearly 193 million records, representing a substantial percentage of Under Armour’s customer base. The sheer volume of exposed data places this incident among the largest consumer breaches in the apparel and retail sector.

Timeline and Legal Repercussions

The attack was identified and reported on November 20, 2025. Not long after the disclosure, affected customers initiated a class action lawsuit, underlining the widespread concern caused by the exposure. The lawsuit reflects ongoing legal challenges faced by companies handling large sets of consumer data.

Frequently Asked Questions

What happened in the Under Armour data breach?

Under Armour experienced unauthorized access to its customer database, resulting in the exposure of nearly 193 million user records containing emails, names, phone numbers, and address information.

How many users were affected in the Under Armour breach?

The Under Armour data breach affected approximately 192,935,608 customer records, making it one of the largest recorded breaches for a retail or fitness-oriented service.

What data was leaked in the Under Armour breach?

Exposed information included email addresses, first and last names, phone numbers, birthdates, and detailed physical address data like city, state, zip code, and country.

When did the Under Armour data breach happen?

The breach took place on November 20, 2025, with most users being notified soon after the incident became public knowledge.

How can I check if I'm in the Under Armour data breach?

You can check if your information was part of the Under Armour breach by utilizing the DeHashed search engine.