Every public data breach

47 disclosed this week · 26,367 on record

Ameriprise

Disclosed May 26, 2026502,597 accountsUnverified

In March 2026, the financial services firm Ameriprise Financial was named by the ShinyHunters group in a "pay or leak" extortion campaign . The group claimed possession of more than 200GB of compressed data exfiltrated from Ameriprise's Salesforce environment and internal SharePoint infrastructure, and subsequently published the data after negotiations allegedly failed. The published data contained 500k unique email addresses as well as names, phone numbers, physical addresses and employer information. In their disclosure to state attorneys general , Ameriprise reported 47,876 affected people;

What is known

People affected502,597 (accounts in the leaked data, per Have I Been Pwned)
DisclosedMay 26, 2026
HappenedMar 2, 2026
AttackExtortion
Data exposedEmailsEmploymentFinancialNamesPhone numbersAddresses
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

Other breaches at Ameriprise

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Ameriprise