MalwareRetail & ConsumerRetailRansomwareData EncryptedCustomer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)LowActive

KING ARTHUR BAKING COMPANY, INC.

bd_51b2400c64c309ff · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 29, 2023

Filed

Jul 20, 2023

To disclose

21 days

Affected

215state residents only

Linked

5 filings

Confidence

66%

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

King Arthur Baking Company, Inc. notified New Hampshire residents of a ransomware incident. Suspicious activity was detected on June 29, 2023, with unauthorized access occurring between June 23 and June 29, 2023. The malware prevented access to certain files. Personal information of 215 New Hampshire residents (including employee owners) was potentially impacted. KAB notified federal law enforcement, is investigating, and is offering 2 years of credit monitoring via Experian IdentityWorks.

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Incident timeline

undetected · 6 days

discovery → filing · 21 days

Jun 23, 2023

Begins

Jun 29, 2023

Discovered

Jul 20, 2023

Filed

vs. sector median

5 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
Maine State AGbd_a81c43600fd30f892023-07-20Verified

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

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

Discovered: Jun 29, 2023
Breach occurred: Jun 23, 2023 – Jun 29, 2023
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 20, 2023
Affected individuals: 215state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcement regarding the eventproviding written notice of this incident to relevant state regulators

During the incident: KAB moved quickly to investigate and respond to the incident
Assess the security of KAB systems
Identify potentially affected individuals
Notified federal law enforcement regarding the event
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for two (2) years through Experian IdentityWorks
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice... to the three major credit reporting agencies
Changes made: Reviewing our policies, procedures and processes related to the storage and access of personal information to reduce the likelihood of a similar future event
Implementing additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 days(21 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

Maine State AGJul 20 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/king-arthur-baking-company-20230720.pdf
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: 96093388cf91cda76a39482ab583164b64f351999ddeb11991c95a0e46beb50c

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityKING ARTHUR BAKING COMPANY, INC.

Victim entityKING ARTHUR BAKING COMPANY, INC.

Incidentdiscovered Jun 29, 2023

Stated responseKAB moved quickly to investigate and respond to the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov