AMERICAN TOWER CORPORATION

ent_019de1a9105d511ccd2e12ed8daf8b92

Compliance scorecard →🔔 Follow entity

Disclosures

Leak Site · 1 jurisdiction

Incidents

—

no linked incident in sample

Max affected reported

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no filed count in sample

Leak-site claims

unverified actor claims

Identity resolution

Canonical name: AMERICAN TOWER CORPORATION
Normalized: american tower— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: 5493006ORUSIL88JOE18
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record
Corporate parent: AMERICAN TOWER CORP /MA/— per SEC Exhibit 21 filing

Unverified threat-actor claim — not a regulatory filing

Attribution, victim identity, and counts shown here derive from a threat actor's public extortion-blog claims, aggregated by ransomware.live. They have not been validated by the victim or any regulator. Treat them as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Disclosure history (1)newest first

GLOBALLeak Siteas victim2026-06-12
Over 5.2 million records consiting of a significant amount of customer and landowner PII, other records tied to other companies such as T-Mobile, Verizon, and the US DHS, several tower asset records containing GPS data and plaintext physical access/gate codes for cell tower compunds across the United States, thousands of internal corporate data, and a lot more were compromised. We urge you to reach out. This is a final warning to reach out by 15 June 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline. | Updated: 12 June 2026 | Warning: FINAL WARNING PAY OR LEAK