8.24M accounts from Pitney Bowes (pitneybowes.com) were exposed in this breach. Besides email addresses, it included job titles, names and phone numbers.
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Email addressesJob titlesNamesPhone numbersPhysical addresses
In April 2026, the hacking collective ShinyHunters claimed to have obtained data from Pitney Bowes as part of a broader extortion campaign that also named several other organisations. After negotiations allegedly failed, the group publicly released the data which included 8.2M unique email addresses, along with names, phone numbers and physical addresses. A subset of the data also included Pitney Bowes employee records with job titles.
Source: Have I Been Pwned (CC BY 4.0)