American Tower data breach

From Breaches, in the HARD wiki · Updated
This article is about the June 2026 breach of American Tower. For every breach, see Breaches.

The American Tower data breach exposed 216,601 accounts from americantower.com in June 2026. The data taken includes names, physical addresses, email addresses, phone numbers and job titles.[1]

Have I Been Pwned verified it and added it to its search on 26 Jun 2026, within a month. It is the 544th largest of the 618 breaches in HARD’s list.

What was exposed

American Tower’s breach included 5 kinds of data. What each lets criminals do:

DataWhat it’s used for
NamesMakes scam messages personal enough to believe.
Physical addressesUsed to prove who you are, and for scam letters and parcels.
Email addressesExpect scam emails that name the company to look genuine.
Phone numbersExpect scam texts and calls, and a higher risk of someone moving your number to their SIM.
Job titlesPersonal details that make scam messages more convincing.

What to do

  1. Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, American Tower among them, without showing the data.
  2. Distrust messages that mention American Tower.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.
  3. Put a PIN on your phone account.Ask your mobile provider for a port-out PIN, so no one can move your number to their SIM.

Timeline

  • : the breach, as best it can be dated.
  • : Have I Been Pwned verifies the data and adds it to its search, within a month.

Similar breaches

Breaches that leaked the same kinds of data, closest in time:

  • Addi, March 2026, 35 million accounts
  • McGraw Hill, April 2026, 14 million accounts
  • CarGurus, February 2026, 12 million accounts
  • Pitney Bowes, April 2026, 8.2 million accounts
  • Odido, February 2026, 6.1 million accounts
  • ADT, April 2026, 5.5 million accounts

See Breaches for all 618, and Updates for keeping your devices patched.

References

  1. ^ Troy Hunt. “American Tower”, Have I Been Pwned, added 26 Jun 2026. Breach data licensed CC BY 4.0.