T-Mobile API Scraping 2023: 37M Accounts, One Credential
A single compromised API credential let an actor scrape ~37 million T-Mobile accounts over six weeks. Machine-identity governance lessons from a repeat offender.
T-Mobile 2021: 76.6 Million Records Through One Unprotected API
No zero-days, no malware — just weak router credentials, a flat network, and an internal API with no authentication. The Binns breach rewrote telecom disclosure playbooks.