HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Orrick, Herrington & Sutcliffe LLP

bd_d10cdbb5d734268c · schema v1 · pii pii-v1

Severity

Critical

Discovered

Mar 13, 2023

Filed

Jul 20, 2023

To disclose

18 weeks

Affected · nationwide

152,8181 in this filing

Linked

19 filings

Confidence

63%

Full breach record for Orrick, Herrington & Sutcliffe LLP →9 incidents on file

Orrick, Herrington & Sutcliffe LLP reported an external system breach (hacking) occurring on 02/28/2023 and discovered on 03/13/2023. The incident affected 152,818 individuals, including 1 Maine resident. Personal information acquired included names and Social Security Numbers. The firm provided written notification and offered 24 months of complimentary identity monitoring services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 13, 2023 → Filed with AG Jul 20, 2023129d ✗ ME AG >90d18 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 · 13 days

discovery → filing · 18 weeks / 129 days

Feb 28, 2023

Begins

Mar 13, 2023

Discovered

Jul 20, 2023

Filed

vs. sector median

on median

This filing is one of 19 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_0c67b8b72d8d4d752023-07-20Verified
Maine State AGbd_e91b9e52ec6efee02023-07-20Verified
California State AGbd_cbf3d3e27848f13e2023-07-31 · +11dVerified
California State AGbd_3fe3320cbc86fe1b2023-08-14 · +25dVerified

Show 6 more filings ↓up to 49d gap

Oregon State AGbd_2219323be28eb8d72023-08-18 · +29dVerified
California State AGbd_27c346231339764a2023-08-18 · +29dVerified
Maine State AGbd_cc48c408ae3ef8942023-08-18 · +29dVerified
California State AGbd_13c2d48c6c504f772023-08-21 · +32dVerified
New Hampshire State AGbd_196c4027e22ee5fd2023-08-21 · +32dVerified
South Carolina State AGbd_3e42b9abcb8898e52023-09-07 · +49dVerified

Showing first 10 of 18 linked disclosures.

Name: Orrick, Herrington & Sutcliffe LLP
norm: orrick herrington sutcliffe
Domain: orrick.com

Name: Orrick, Herrington & Sutcliffe LLP
norm: orrick herrington sutcliffe
Domain: orrick.com
Industry: Professional Servicesllm

Discovered: Mar 13, 2023
Breach occurred: Feb 28, 2023
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 20, 2023
Affected individuals: 152,818state + 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 complimentary identity monitoring services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(129 days from discovery to filing)
Compliance flags: ME AG >90d · 129d
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: Mar 13, 2023
→ Filed with AG: Jul 20, 2023
129d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 13, 2023 → Filed with AG: Jul 20, 2023	129d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Indiana State AGJul 20 · first

Maine State AGJul 20 · first

Maine State AGJul 20 · first · this page

California State AG+11d

California State AG+25d

Oregon State AG+29d

California State AG+29d

Maine State AG+29d

California State AG+32d

New Hampshire State AG+32d

South Carolina State AG+49d

Pattern: first filing Jul 20 (IN), last Sep 7 (SC) — a 49-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 18 — the full spread may be wider.

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/b4b6a3bb-f568-4a3c-8a4e-e489f7c1eefc.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: d5b3aaabf7146f53459b785c547d03cddc61f8887be316ec26030ace2c4864ea

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityOrrick, Herrington & Sutcliffe LLP

Victim entityOrrick, Herrington & Sutcliffe LLP

Incidentdiscovered Mar 13, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov