Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Heartland Bank

bd_0eb78e39a1ffe3d9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 9, 2024

Filed

Feb 7, 2025

To disclose

13 weeks

Affected

1state residents only

Linked

5 filings

Confidence

64%

Full breach record for Heartland Bank →

Heartland Bank notified the Maryland AG of a cybersecurity incident involving unauthorized access to employee email accounts between Oct 31 and Nov 9, 2024. The incident resulted in the exposure of one Maryland resident's name and Social Security number. The bank secured the accounts and mailed notification to the affected individual.

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Maryland clock⏱ MD AG >30d13 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 9 days

discovery → filing · 13 weeks / 90 days

Oct 31, 2024

Begins

Nov 9, 2024

Discovered

Feb 7, 2025

Filed

vs. sector median

+5 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_16d76fb514a535472025-02-07Verified
Montana State AGbd_35a2394732e77a6e2025-02-07Candidate
Massachusetts State AGbd_380ab6533a2bbee72025-02-07Verified
Nebraska State AGbd_c9907a9c43ec29cb2025-02-07Verified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Heartland Bank
norm: heartland bank
Industry: Financial Servicesllm

Discovered: Nov 9, 2024
Breach occurred: Oct 31, 2024 – Nov 9, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 7, 2025
Affected individuals: 1state-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 Accounts
Threat actor: External
Regulator citations: Notified Maryland Attorney General's Office
Initial access: phishing_link

During the incident: Took steps to secure the email accounts
Began its investigation
Mailed a notification to the Maryland resident via U.S. First-Class mail
Enhance the security of its email environment
Changes made: Enhance the security of its email environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 days from discovery to filing)
Compliance flags: MD AG >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGFeb 7 · first

Montana State AGFeb 7 · first

Massachusetts State AGFeb 7 · first

Nebraska State AGFeb 7 · first

Maryland State AGFeb 7 · first · this page

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376340.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2025
Raw hash: 28d121c553851d7433cd6cf19eea6732be3024866aea368bf415c722e6ee5e04

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityHeartland Bank

Incidentdiscovered Nov 9, 2024

Stated responseTook steps to secure the email accounts

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov