HackingManufacturingManufacturingPhishingVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedAuthenticationCredentialsIdentity (basic)LowContained

Berkshire Production Supply, LLC

bd_35b1102b074f177a · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 16, 2023

Filed

Dec 15, 2023

To disclose

29 days

Affected

391state residents only

Linked

3 filings

Confidence

68%

Full breach record for Berkshire Production Supply, LLC →3 incidents on file

Berkshire Production Supply, LLC d/b/a Berkshire eSupply reported a third-party data breach involving SignatureIT Ltd., an e-commerce platform vendor. SignatureIT detected unauthorized access on November 16, 2023, likely via phishing and exploitation of a Confluence platform. Customer data including names, addresses, and passwords may have been compromised. Approximately 391 Washington residents were notified. Berkshire's own systems were not accessed.

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Washington clock✓ WA AG ≤30d29 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

discovery → filing · 29 days

Nov 16, 2023

Discovered

Dec 15, 2023

Filed

This filing is one of 3 about the same incident.View merged incident

Part of SignatureIT Ltd. supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_1edf26fde31585072023-12-15Verified
New Hampshire State AGbd_c7084a15586a13152023-12-14 · +1dCandidate

Name: Dunlap Bennett & Ludwig
norm: dunlap bennett & ludwig

Name: Berkshire Production Supply, LLC
norm: berkshire production supply
Also named: Berkshire Production Supply, LLCdba oflegal entity
Berkshire eSupplydba oftrade name
Industry: Manufacturingllm

Discovered: Nov 16, 2023
Materiality determined: —
Notification sent: Dec 6, 2023
Affected individuals: 391state-resident count only
Data types: Identity (basic)Credentials
Data elements: NameDate of birthUsername + password
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1566.002 Spearphishing LinkT1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified the U.S. Federal Bureau of InvestigationNotified the Cybersecurity and Infrastructure Security Agency under the Cyber Incident Reporting for Critical Infrastructure ActNotified applicable U.S. state agenciesNotified the E.U. under the General Data Protection Regulation
Third party: via SignatureIT Ltd.
Initial access: phishing_link

During the incident: Notified relevant regulators including the U.S. Federal Bureau of Investigation
Notified the Cybersecurity and Infrastructure Security Agency under the Cyber Incident Reporting for Critical Infrastructure Act
Notified applicable U.S. state agencies
Notified the E.U. under the General Data Protection Regulation
Notified the nationwide consumer reporting agencies
Sent electronic notifications to known U.S. users registered with the e-commerce platform
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: WA AG ≤30d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

New Hampshire State AGDec 14 · first

Maine State AG+1d

Washington State AG+1d · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA27274.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2023
Raw hash: b2112a955fb4c33b636757742a78f0b859eb5e27994eb204525dd2612b48dd84

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityDunlap Bennett & Ludwig

Victim entityBerkshire Production Supply, LLC

Incidentdiscovered Nov 16, 2023

Stated responseNotified relevant regulators including the U.S. Federal Bureau of Investigation

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com