What was exposed, when it happened, and which databases confirm it.
- accounts
- 216,601
- Breached
- June 12, 2026
- Last Update
- June 26, 2026
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
What happened
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.
Compromised Info
- Email addresses
- Job titles
- Names
- Phone numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the AmericanTower breach?
The AmericanTower breach exposed: Email addresses, Job titles, Names, Phone numbers, and Physical addresses.
When did the AmericanTower breach happen?
The AmericanTower breach was disclosed on June 12, 2026 and affected 216,601 records.
Am I affected by the AmericanTower breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the AmericanTower leak.