American Tower data breach: 216K accounts exposed
Severity: medium · Patch status: no-fix-needed · Since 2026-06-26
In June 2026, telecommunications tower infrastructure company American Tower was the target of a ShinyHunters "pay or leak" extortion campaign. The group subsequently published data allegedly taken from the company containing more than 200k unique email addresses belonging to employees, contractors, customers, and leads. Exposed data also included names, addresses, and phone numbers. Exposed data: email addresses, job titles, names, phone numbers, physical addresses. The breach dates from Jun 12, 2026; Have I Been Pwned loaded it on Jun 26, 2026.
What to do
- If you had a American Tower account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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