Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

TBK BANK, SSB

bd_183b49eabe1f88ec · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 6, 2021

Filed

Mar 17, 2021

To disclose

—

Affected

26state residents only

Linked

6 filings

Confidence

66%

Full breach record for TBK BANK, SSB →3 incidents on file

TBK Bank, SSB notified customers of unauthorized access to an employee's email account between Dec 1-6, 2021. The attacker likely viewed emails containing names, SSNs, driver's licenses, or passport numbers. The bank engaged a cybersecurity firm, secured the account, and offered one year of Experian IdentityWorks credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Mar 17, 2021

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Illinois State AGbd_3104649bc7b7ddac2022-01-01 · +290dVerified
Indiana State AGbd_55cfba2c995c58152022-03-16 · +364dVerified
Massachusetts State AGbd_4a71625747df74b72022-03-17 · +365dVerified
New Hampshire State AGbd_ac84f0a3900ba68a2022-03-17 · +365dVerified

Show 1 more filing ↓up to 365d gap

Maine State AGbd_b6e46bd16d6a69612022-03-17 · +365dVerified

Name: TBK BANK, SSB
norm: tbk bank ssb

Name: TBK BANK, SSB
norm: tbk bank ssb
Industry: Financial Servicesllm

Discovered: Dec 6, 2021
Breach occurred: Dec 1, 2021 – Dec 6, 2021
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 26state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an investigation
Took steps to secure the email account
A cybersecurity firm was engaged
Terminated access
Conducted a review of the emails and attachments
Offering you a free one-year membership in Experian’s® IdentityWorksSM Credit 3B
Changes made: Implemented additional measures to enhance our existing security protocols
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Montana State AGMar 17 · first · this page

Illinois State AG+290d

Indiana State AG+364d

Massachusetts State AG+365d

New Hampshire State AG+365d

Maine State AG+365d

Pattern: first filing Mar 17 (MT), last Mar 17 (ME) — a 365-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://dojmt.gov/wp-content/uploads/TBK-Bank-SSB-Consumer-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 17, 2021
Raw hash: 7279a778a22d8c4ebd09d2dea34b3d283020861199dab28b5a86dd99c243d334

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityTBK BANK, SSB

Victim entityTBK BANK, SSB

Incidentdiscovered Dec 6, 2021

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov