Eastern Bank
bd_cf7ae86f84408df7 · schema v1 · pii pii-v2
Full breach record for Eastern Bank →204 incidents on fileEastern Bank notified customers that a merchant where they used their Debit MasterCard BusinessCard may have experienced a security breach. The bank stated it was unable to provide additional details as none were provided to them. In response, Eastern Bank lowered daily transaction limits on affected cards to $500 and mailed new debit cards to some customers, while advising others to monitor their accounts closely. No specific dates of the breach or number of affected individuals were disclosed.
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Incident timeline — partial
? — ?
Breach window unknown
Sep 1, 2026
Filed
No interval is drawn: no breach start or discovery date is on record for this filing.
Linked disclosures
Why this link?Regulatory filings (5) · sorted by filing gap
- Massachusetts State AGbd_682592668a83450f2026-08-06 · +26dCandidate
- Massachusetts State AGbd_8bf774595ecbe34d2026-10-01 · +30dCandidate
- Massachusetts State AGbd_d9eac86bf9dbdfd72026-07-24 · +39dCandidate
- Massachusetts State AGbd_566f14d500ef34f32026-06-30 · +63dCandidate
Show 1 more filing ↓Show fewer ↑up to 111d gap
- Massachusetts State AGbd_f59acb674bba6daf2026-05-13 · +111dCandidate
Filing propagation · 6 filings
View merged incident ↗Pattern: first filing May 13 (MA), last Oct 1 (MA) — a 141-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.