high severity January 21, 2026 · 1 min read

Under Armour 72M Customer Email Dataset Resurfaces — January 2026

If you are a customer of Under Armour, here’s what’s now in circulation.

72 million user emails from a prior Under Armour breach were reposted publicly in January 2026, amplifying doxxing potential when combined with other recent leaks.

Approximately 72 million user emails originally exposed in a prior Under Armour breach were reposted publicly in January 2026, amplifying doxxing potential when combined with other recent leaks. While the original incident was older, the re-circulation pushes the dataset back into active use by phishing operators and credential-stuffing automation.

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Streamers, gamers, and creators who shop athletic gear now risk targeted phishing tied to their public personas. An attacker with your real-name email and your public streaming handle has everything they need to send a believable "your sponsorship deal is ready" lure.

What to do

What You Should Do

Run Warden to check whether your email appears in known breach corpuses
Treat any unsolicited Under Armour or athletic-brand email as suspicious
Change passwords on accounts that share an email with this dataset
Use a forwarding alias for retail accounts going forward

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Were you a Under Armour customer?

Under Armour is one listing. Your email is probably in others.

~72 million accounts were exposed here. Check whether yours is one — and find every other leak tied to the same address, in about 15 seconds. No account, no card.

Report details & sourcing

Severity High contact details only, none of them permanent

Disclosed January 21, 2026

Last reviewed July 22, 2026

Affected ~72 million

Data exposed Email addressesAccount metadata from prior breach

By GalaxyWarden Threat Research · Editorial & sourcing standards

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

Sources: ACI Learning recap · Security Magazine

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