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ZenBusiness data breach

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

The ZenBusiness data breach exposed 5,118,184 accounts from zenbusiness.com in March 2026. The data taken includes names, email addresses and phone numbers.[1]

Have I Been Pwned verified it and added it to its search on 2 May 2026, 1 month later. It is the 195th largest of the 618 breaches in HARD’s list.

What was exposed

ZenBusiness’s breach included 3 kinds of data. What each lets criminals do:

DataWhat it’s used for
NamesMakes scam messages personal enough to believe.
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.

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, ZenBusiness among them, without showing the data.
  2. Distrust messages that mention ZenBusiness.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, 1 month later.

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. “ZenBusiness”, Have I Been Pwned, added 2 May 2026. Breach data licensed CC BY 4.0.