HackingRetail & ConsumerRetailVulnerability ExploitCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

KING ARTHUR BAKING COMPANY, INC.

bd_a81c43600fd30f89 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 11, 2023

Filed

Jul 20, 2023

To disclose

9 days

Affected · nationwide

8285 in this filing

Linked

5 filings

Confidence

66%

Full breach record for KING ARTHUR BAKING COMPANY, INC. →2 incidents on file

King Arthur Baking Company, Inc. reported an external system breach (hacking) occurring on June 23, 2023, discovered on July 11, 2023. The incident affected 828 individuals, including 5 Maine residents. Acquired data included names and Social Security Numbers. The company provided written notification and offered 24 months of credit monitoring and identity restoration services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 11, 2023 → Filed with AG Jul 20, 20239d ✓ ME AG ≤30d9 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 · 18 days

discovery → filing · 9 days

Jun 23, 2023

Begins

Jul 11, 2023

Discovered

Jul 20, 2023

Filed

vs. sector median

6 wks faster

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

Massachusetts State AGbd_226ad6affe9f1b1b2023-07-20Verified
Montana State AGbd_3c725de068f258a02023-07-20Candidate
Indiana State AGbd_3d63a128195b8b762023-07-20Verified
New Hampshire State AGbd_51b2400c64c309ff2023-07-20Verified

Name: KING ARTHUR BAKING COMPANY, INC.
norm: king arthur baking

Name: KING ARTHUR BAKING COMPANY, INC.
norm: king arthur baking
Industry: Retail & Consumerllm

Discovered: Jul 11, 2023
Breach occurred: Jun 23, 2023
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 20, 2023
Affected individuals: 828state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months of credit monitoring and identity restoration services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 days(9 days from discovery to filing)
Compliance flags: ME AG ≤30d · 9d
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: Jul 11, 2023
→ Filed with AG: Jul 20, 2023
9d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 11, 2023 → Filed with AG: Jul 20, 2023	9d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGJul 20 · first

Montana State AGJul 20 · first

Indiana State AGJul 20 · first

New Hampshire State AGJul 20 · first

Maine State AGJul 20 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/bbdc21c9-2ccb-4a8a-80c6-801a507f3de9.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 20, 2023
Raw hash: 90536a7d738d0890e3309b184b539d6f25bcb0495a9aa3d5f493ae619a6c5783

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityKING ARTHUR BAKING COMPANY, INC.

Victim entityKING ARTHUR BAKING COMPANY, INC.

Incidentdiscovered Jul 11, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov