HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Orrick, Herrington & Sutcliffe LLP

bd_196c4027e22ee5fd · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 13, 2023

Filed

Aug 21, 2023

To disclose

23 weeks

Affected

449state residents only

Linked

19 filings

Confidence

66%

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

Orrick, Herrington & Sutcliffe, LLP filed a supplemental notice with the NH Attorney General regarding a security incident detected on March 13, 2023. An unauthorized third party gained remote access to a file share containing client personal information between Feb 28 and Mar 13, 2023. 449 NH individuals are affected. Orrick engaged forensic experts, notified law enforcement, and offers 2 years of identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 13 days

discovery → filing · 23 weeks / 161 days

Feb 28, 2023

Begins

Mar 13, 2023

Discovered

Aug 21, 2023

Filed

vs. sector median

+4 wks slower

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

California State AGbd_13c2d48c6c504f772023-08-21Verified
Oregon State AGbd_2219323be28eb8d72023-08-18 · +3dVerified
California State AGbd_27c346231339764a2023-08-18 · +3dVerified
Maine State AGbd_cc48c408ae3ef8942023-08-18 · +3dVerified

Show 6 more filings ↓up to 32d gap

California State AGbd_3fe3320cbc86fe1b2023-08-14 · +7dVerified
South Carolina State AGbd_3e42b9abcb8898e52023-09-07 · +17dVerified
California State AGbd_cbf3d3e27848f13e2023-07-31 · +21dVerified
Indiana State AGbd_0c67b8b72d8d4d752023-07-20 · +32dVerified
Maine State AGbd_d10cdbb5d734268c2023-07-20 · +32dVerified
Maine State AGbd_e91b9e52ec6efee02023-07-20 · +32dVerified

Showing first 10 of 18 linked disclosures.

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

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

Discovered: Mar 13, 2023
Breach occurred: Feb 28, 2023 – Mar 13, 2023
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 18, 2023
Affected individuals: 449state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Took steps to block the unauthorized access
Initiated its response process, including launching an investigation of the incident with the support of third party cybersecurity experts
Notified law enforcement
Established a dedicated call center to answer questions
Offering two years of complimentary identity monitoring services
Changes made: Deployed additional security measures and tools with the guidance of third-party experts to strengthen the ongoing security of its network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(161 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

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 · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/orrick-herrington-sutcliffe-20230821.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 21, 2023
Raw hash: d9e8bc4a2db6097a4ba88a4d20c26f7e6e4381a61b1cf35b5b7e6b0bd6ceecc5

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityOrrick, Herrington & Sutcliffe LLP

Victim entityOrrick, Herrington & Sutcliffe LLP

Incidentdiscovered Mar 13, 2023

Stated responseTook steps to block the unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov