BMO Bank N.A.
ent_916082df184ba6becf915f9e
Disclosures
8
State AG · 6 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
56,879
nationwide · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- BMO Bank N.A.
- Normalized
- bmo bank na— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (8)newest first
- Maine State AGas victim2023-09-19
BMO Bank N.A. reported an external system breach (hacking) occurring on May 27, 2023, discovered on August 9, 2023. The incident affected 56,879 individuals, including 35 Maine residents. Acquired data included names and Social Security Numbers. The bank provided written notification on August 31, 2023, and offered one year of credit and identity monitoring through Kroll.
- Massachusetts State AGas victim2017-05-31
BMO Harris Bank N.A. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2017-05-31. 126 Massachusetts residents were affected. The report records the breach type as paper.
- Oregon State AGas victim2017-05-31
BMO Harris Bank N.A. reported a data breach to the Oregon Attorney General. The breach was reported on 2017-05-31. The breach occurred during 5/15/2017 - 5/15/2017. The breach was discovered on 5/17/2017. 38,391 individuals were affected. Notice was sent on 5/25/2017.
- California State AGas victim2017-05-31
BMO Harris Bank N.A. notified customers of a misdelivery error during the production of 2016 IRS Form 5498. Some customers received their own form along with another customer's form, while others did not receive their form. The exposed data included name, address, last four digits of SSN, account number, IRA contributions, and Fair Market Value. The bank is mailing replacement forms and offering 12 months of credit monitoring.
- Washington State AGas victim2017-05-31
BMO Harris Bank N.A. notified the Washington AG of a misdelivery error involving 47 Washington residents. During the production and mailing of 2016 IRS Form 5498 for IRA accounts, some customers received another customer's form containing PII (name, address, last 4 digits of SSN, account number, IRA contributions, and FMV). Notices were sent to affected individuals on May 25, 2017, offering 12 months of credit monitoring.
- Montana State AGas victim2017-05-24
BMO Harris Bank N.A. notified Montana customers of a misdelivery error during the production of 2016 IRS Form 5498. Some customers received another customer's form, exposing names, addresses, last four SSN digits, and IRA account details. The bank mailed corrected forms by May 31, 2017, and offered 12 months of credit monitoring via Identity Guard.
- Massachusetts State AGas victim2017-03-20
BMO Harris Bank N.A. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2017-03-20. 14 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2015-10-26
BMO Harris Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2015-10-26. 6 Massachusetts residents were affected. The report records the breach type as electronic.