DisclosureLens
HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIPHIIdentity (basic)LowContained

Orrick, Herrington & Sutcliffe LLP

bd_fbc5ee9565b8231c · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 13, 2023

Filed

Jul 20, 2023

To disclose

18 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Orrick, Herrington & Sutcliffe LLP experienced a security event where an unauthorized third party gained remote access to a portion of its network between February 28 and March 13, 2023. The intrusion was detected on March 13, 2023. The attacker obtained files containing personal and protected health information (PHI) of clients, including Delta Dental of California members. Social Security numbers and financial account information were not involved. Orrick engaged forensic experts, notified law enforcement, and is offering two years of identity monitoring to affected individuals.

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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
California State AGJul 20 · first · this page

Pattern: first filing Jul 20 (CA), last Jul 25 (NH) — a 5-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.