Breachesby GlyphAmerican Tower
Disclosed Jun 26, 2026216,601 accountsUnverified
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.
What is known
| People affected | 216,601 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Jun 26, 2026 |
| Happened | Jun 12, 2026 |
| Attack | Insider |
| Data exposed | EmailsEmploymentNamesPhone numbersAddresses |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.