HackingRetail & ConsumerRetailData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Sarku Japan

bd_676946af941027ba · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 6, 2022

Filed

Mar 16, 2022

To disclose

5 weeks

Affected · nationwide

28,298131 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Sarku Japan →5 incidents on file

Sarku Japan, a restaurant chain, reported an external system breach (hacking) occurring on January 13, 2022, discovered on February 6, 2022. The incident compromised names and Social Security Numbers of 28,298 individuals, including 131 Maine residents. The company notified affected consumers in writing on March 16, 2022, and provided 12 months of credit monitoring and identity restoration services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 6, 2022 → Filed with AG Mar 16, 202238d ⏱ ME AG >30d5 weeks 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 · 24 days

discovery → filing · 5 weeks / 38 days

Jan 13, 2022

Begins

Feb 6, 2022

Discovered

Mar 16, 2022

Filed

vs. sector median

2 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

Washington State AGbd_154978068a8580a42022-03-16Candidate
California State AGbd_3e7e01e462f64ab02022-03-16Verified
Oregon State AGbd_6f1f4c9b26bfab192022-03-16Verified
California State AGbd_2e9e3b153a51c8a62022-08-08 · +145dVerified

Show 1 more filing ↓up to 145d gap

Maine State AGbd_e82af6a75bb3e3f12022-08-08 · +145dVerified

Name: Sarku Japan
norm: sarku japan
Domain: sarkujapan.com

Name: Sarku Japan
norm: sarku japan
Domain: sarkujapan.com
Industry: Retail & Consumerllm

Discovered: Feb 6, 2022
Breach occurred: Jan 13, 2022
Undetected for: 24 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 16, 2022
Affected individuals: 28,298state + 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: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected consumers
Offered 12 months of credit monitoring, fraud consultation, and identity restoration services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(38 days from discovery to filing)
Compliance flags: ME AG >30d · 38d
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: Feb 6, 2022
→ Filed with AG: Mar 16, 2022
38d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 6, 2022 → Filed with AG: Mar 16, 2022	38d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 4 states

View merged incident ↗

Washington State AGMar 16 · first

California State AGMar 16 · first

Oregon State AGMar 16 · first

Maine State AGMar 16 · first · this page

California State AG+145d

Maine State AG+145d

Pattern: first filing Mar 16 (WA), last Aug 8 (ME) — a 145-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-a1252b4f8318/0f9d5952-14ea-453d-92d0-91a5793aaabd.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 16, 2022
Raw hash: 808ffa6c513216b799be38f369ab68c4f0feb7fe63d0000b9545e49d77ff4407

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entitySarku Japan

Victim entitySarku Japan

Incidentdiscovered Feb 6, 2022

Stated responseSent written notification to affected consumers

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov