HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)LowContained

Pisenti & Brinker LLP

bd_b7e9b2f34fde8931 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 21, 2022

Filed

Oct 19, 2023

To disclose

43 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%

Full breach record for Pisenti & Brinker LLP →

Pisenti & Brinker LLP detected unauthorized access to an employee email account on December 21, 2022. The access occurred between December 1 and December 21, 2022. The firm engaged external cybersecurity professionals for a forensic investigation. Personal information was involved, but there is no evidence of misuse. The firm is offering one year of complimentary credit monitoring via Experian IdentityWorks.

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Incident timeline

undetected · 20 days

discovery → filing · 43 weeks / 302 days

Dec 1, 2022

Begins

Dec 21, 2022

Discovered

Oct 19, 2023

Filed

vs. sector median

+25 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_377cd907a245a0e52023-10-19Candidate
Maine State AGbd_5e2060d2e80d3bfa2023-10-19Verified
Massachusetts State AGbd_b936d385f10c327d2023-10-19Verified
Indiana State AGbd_c716fa34a7da004b2023-10-19Verified

Name: Pisenti & Brinker LLP
norm: pisenti brinker

Name: Pisenti & Brinker LLP
norm: pisenti brinker
Industry: Professional Servicesllm

Discovered: Dec 21, 2022
Breach occurred: Dec 1, 2022 – Dec 21, 2022
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Immediately began efforts to remediate the issue
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals experienced in handling these types of incidents
Conducted extensive forensic investigation and manual document review
Changes made: Offering a complimentary one-year membership of Experian IdentityWorksSM
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 43 weeks(302 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGOct 19 · first

Maine State AGOct 19 · first

Massachusetts State AGOct 19 · first

Indiana State AGOct 19 · first

California State AGOct 19 · first · 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://oag.ca.gov/ecrime/databreach/reports/sb24-575409
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 19, 2023
Raw hash: 9c7d6b8c74757fa7f3eb33abd31ae15400b37daecdb2820ee12be3bb733a99f4

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityPisenti & Brinker LLP

Victim entityPisenti & Brinker LLP

Incidentdiscovered Dec 21, 2022

Stated responseImmediately began efforts to remediate the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov