Social EngineeringEducationEducationPhishingStolen CredentialsCustomer Data InvolvedDelayed DiscoveryIdentity (basic)CredentialsLowContained

Catholic Diocese of Cleveland

bd_21ddc3aa2c09650b · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 12, 2024

Filed

Apr 29, 2024

To disclose

15 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

64%

Full breach record for Catholic Diocese of Cleveland →2 incidents on file

The Catholic Diocese of Cleveland notified consumers of a data breach involving unauthorized access to an employee's email account between December 14, 2023, and January 12, 2024. The incident likely exposed names and additional personal data. The Diocese engaged forensic investigators, contained the breach, and is offering 12 months of credit monitoring via Experian IdentityWorks to affected individuals.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 29 days

discovery → filing · 15 weeks / 108 days

Dec 14, 2023

Begins

Jan 12, 2024

Discovered

Apr 29, 2024

Filed

vs. sector median

+5 wks slower

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Indiana State AGbd_0d35c1a84a132ff72024-04-29Verified
Massachusetts State AGbd_87433c3970a9adc02024-05-02 · +3dVerified
New Hampshire State AGbd_0cc8c4367841e0a32024-04-26 · +3dVerified
Montana State AGbd_8e8c782f32766d3c2024-04-22 · +7dCandidate

Show 3 more filings ↓up to 72d gap

Maine State AGbd_e8e6f12187ab27d32024-04-22 · +7dVerified
Maine State AGbd_8a8733f78e2c49902024-07-10 · +72dVerified
Vermont State AGbd_c60d1208e68d01462024-07-10 · +72dVerified

Name: Catholic Diocese of Cleveland
norm: catholic diocese of cleveland

Name: Catholic Diocese of Cleveland
norm: catholic diocese of cleveland
Industry: Educationllm

Discovered: Jan 12, 2024
Breach occurred: Dec 14, 2023 – Jan 12, 2024
Undetected for: 29 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 8, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Contained the incident
Engaged third-party cybersecurity professionals
Conducted an extensive manual review of the affected data
Providing 12-months of complimentary services through Experian IdentityWorks
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 6 states

View merged incident ↗

Montana State AGApr 22 · first

Maine State AGApr 22 · first

New Hampshire State AG+4d

Indiana State AG+7d

Vermont State AG+7d · this page

Massachusetts State AG+10d

Maine State AG+79d

Vermont State AG+79d

Pattern: first filing Apr 22 (MT), last Jul 10 (VT) — a 79-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://ago.vermont.gov/document/2024-04-29-catholic-diocese-cleveland-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2024
Raw hash: ebfd553acee576e1405ae71be088f0a00697928991ec96e594680db3db2f42db

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityCatholic Diocese of Cleveland

Victim entityCatholic Diocese of Cleveland

Incidentdiscovered Jan 12, 2024

Stated responseContained the incident

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov