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2021 Guidehouse vendor breach — Accellion FTA

2021 Unknown records affected Share on X

Data compromised

Names, Addresses, Social Security numbers, Dates of birth

Technical writeup

Vendor Guidehouse breached via Accellion FTA vulnerability. Names, addresses, DOB, SSNs, and corporate company names of StockPlan Connect participants.

Root cause

Third-party vendor; Accellion FTA vulnerability.

References