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Have I Been Pwned claims Pitney Bowes hit by 8.2M email address leak

ID: 996bd633-889c-5560-85b9-5ed0458907d7

STIX ID: report--996bd633-889c-5560-85b9-5ed0458907d7

Feed Name: The Register (Security)

Threat Score
72/100

Date Published: 2026-04-28

Date Updated: 2026-04-28

Author: Connor Jones

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**Executive Summary:** Pitney Bowes was reportedly breached by the cybercrime collective ShinyHunters, with 8.2 million unique email addresses and associated personal and employment data leaked; Have I Been Pwned confirmed the dump. The report frames this as part of a broader pay-or-leak campaign by ShinyHunters that has claimed multiple other high-profile victims and leverages access to Salesforce customer data.

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