HackingFinancial ServicesFinanceCustomer Data InvolvedData ExfiltratedIdentity (basic)Financial accountFinancial credentialsMediumContained

APEX CLEARING CORPORATION

bd_337dd6181775ad84 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 1, 2022

Filed

Dec 21, 2022

To disclose

20 days

Affected · nationwide

5,6247 in this filing

Linked

6 filings

Confidence

75%

Full breach record for APEX CLEARING CORPORATION →

Apex Clearing Corporation, a financial services company, reported an external system breach that occurred between March 27, 2022, and October 26, 2022. The breach was discovered on December 1, 2022. The compromised information included names in combination with financial account numbers or credit/debit card numbers along with their security codes, access codes, passwords, or PINs. The incident affected 5,624 individuals in total, with 7 of them being residents of Maine. The company provided written notification to the affected consumers on December 22, 2022, and offered 12 months of credit monitoring and WebWatcher services through Kroll.

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Maine clockDiscovered Dec 1, 2022 → Filed with AG Dec 21, 202220d ✓ ME AG ≤30d20 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 249 days

discovery → filing · 20 days

Mar 27, 2022

Begins

Dec 1, 2022

Discovered

Dec 21, 2022

Filed

vs. sector median

6 wks faster

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

Indiana State AGbd_0def4f0d4ad56cf82022-12-22 · +1dVerified
New Hampshire State AGbd_3347d5f9f86d252c2022-12-22 · +1dVerified
Montana State AGbd_3a9057f3d2bde8772022-12-22 · +1dVerified by operator
Massachusetts State AGbd_88ecc72114f7395b2022-12-22 · +1dVerified

Show 1 more filing ↓up to 1d gap

Maine State AGbd_ecf20a22bfccfed92022-12-22 · +1dVerified by operator

Name: APEX CLEARING CORPORATION
norm: apex clearing
Industry: Financial Services

Name: APEX CLEARING CORPORATION
norm: apex clearing
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Dec 1, 2022
Breach occurred: Mar 27, 2022 – Oct 26, 2022
Undetected for: 249 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 22, 2022
Affected individuals: 5,624state + nationwide
Data types: Identity (basic)Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Unauthorized Access
Threat actor: External

Changes made: Offered 12 months of single bureau credit monitoring and WebWatcher services from Kroll.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: ME AG ≤30d · 20d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 1, 2022
→ Filed with AG: Dec 21, 2022
20d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 1, 2022 → Filed with AG: Dec 21, 2022	20d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Maine State AGDec 21 · first · this page

Indiana State AG+1d

New Hampshire State AG+1d

Montana State AG+1d

Massachusetts State AG+1d

Maine State AG+1d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/ba1d45d7-3599-43fd-a9e4-1aa1c9f68cca.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 21, 2022
Raw hash: bc9a7bfb9624adbc344bf5bb15fbabe1537a3429aca1875fc5efd65b8e3186be

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityAPEX CLEARING CORPORATION

Victim entityAPEX CLEARING CORPORATION

Incidentdiscovered Dec 1, 2022

Stated responseOffered 12 months of single bureau credit monitoring and WebWatcher services from Kroll.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov