Social EngineeringGovernmentGovernmentPhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

Erie County, Pennsylvania

bd_4c213a0e749b44d8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 20, 2023

Filed

May 1, 2023

To disclose

6 weeks

Affected

3state residents only

Linked

4 filings

Confidence

65%

Full breach record for Erie County, Pennsylvania →

Erie County, PA notified NH AG of a phishing incident affecting 3 NH residents. Unauthorized access to email boxes occurred March 16-20, 2023, following a suspected phishing email. PII for county business/legal matters was involved. No evidence of misuse found. Remediation included password resets, MFA, phishing training, and credit monitoring offers.

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Incident timeline

undetected · 4 days

discovery → filing · 6 weeks / 42 days

Mar 16, 2023

Begins

Mar 20, 2023

Discovered

Apr 19, 2023

Scope determined

May 1, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_cd888fd08088b5f52023-05-03 · +2dVerified
Montana State AGbd_141417b062cc5c962023-04-27 · +4dCandidate
Indiana State AGbd_afae7b1aa5554b672023-04-27 · +4dVerified

Name: Erie County, Pennsylvania
norm: erie county pennsylvania

Name: Erie County, Pennsylvania
norm: erie county pennsylvania
Industry: Governmentllm

Discovered: Mar 20, 2023
Breach occurred: Mar 16, 2023 – Mar 20, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: Apr 19, 2023
Notification sent: Apr 27, 2023
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an investigation, with the assistance of a nationally recognized digital forensics finn
Secured the email accounts
Searched Dark Web sources
Provided notice of this incident to all appropriate state regulators
Changes made: Implemented an enterprise-wide password reset and took steps to further secure any impacted email accounts
Enhancing training for employees regarding phishing attacks
Limiting use of sensitive personally identifiable information in County records
Strengthening County email filtering to help block dangerous emails
Adding new security features to County email accounts to identify external emails
Using multifactor authentication for County email accounts
Deploying security tools to enhance detection and accelerate response to cyber incidents
Offering a one-year, complimentary membership with Experian for credit monitoring and identity theft services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGApr 27 · first

Indiana State AGApr 27 · first

New Hampshire State AG+4d · this page

Massachusetts State AG+6d

Pattern: first filing Apr 27 (MT), last May 3 (MA) — a 6-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://mm.nh.gov/files/uploads/doj/remote-docs/erie-county-pennsylvania-20230501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2023
Raw hash: 7b6c3889ce5986e09e945cd23eca75ebfbb5666d02c0a4f2106af54568fb6f84

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityErie County, Pennsylvania

Victim entityErie County, Pennsylvania

Incidentdiscovered Mar 20, 2023

Stated responseLaunched an investigation, with the assistance of a nationally recognized digital forensics finn

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov