ASOS Warns Customer Accounts Were Accessed Using Compromised Login Credentials

Cybersecuritynews •Abinaya • August 25, 2026

ASOS US Sales LLC reported unauthorized access to customer accounts using credentials obtained from outside the company, detected on July 28 and confirmed the day. In a breach notification dated August 21, 2026, ASOS said it identified unusual activity involving customer accounts and launched an investigation immediately. The retailer determined that an unauthorized third […]

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ASOS Reports Data Breach from Compromised Customer Credentials ASOS US Sales LLC has confirmed unauthorized access to customer accounts due to compromised login credentials sourced externally. The breach was detected on July 28, 2026, when unusual activity was identified in certain accounts. An investigation initiated the following day confirmed the unauthorized access. ASOS has begun notifying affected customers in the U.S. as of August 21, 2026. The retailer has not disclosed the number of accounts affected or specific details about the compromised credentials. The investigation is ongoing, and ASOS is advising customers to change their passwords and monitor their accounts for suspicious activity. 2 sources 51

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ASOS Warns Customer Accounts Were Accessed Using Compromised Login Credentials

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MITRE ATT&CK (1)