HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

ELO CPAs & Advisors

bd_8fe0a58363be3014 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 24, 2023

Filed

Jan 18, 2024

To disclose

43 weeks

Affected

26state residents only

Linked

6 filings

Confidence

65%

Full breach record for ELO CPAs & Advisors →

ELO CPAs & Advisors notified Montana residents of a March 24, 2023 data breach where an unauthorized actor accessed and exfiltrated files containing protected personal information (PII, government IDs). The company engaged forensic investigators, notified the FBI and IRS, and offered 12 months of credit monitoring. Discovery was confirmed on Jan 10, 2024.

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Incident timeline

discovery → filing · 43 weeks / 300 days

Mar 24, 2023

Begins

Mar 24, 2023

Discovered

Jan 18, 2024

Filed

vs. sector median

+24 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_18c76991d1ca09122024-01-18Verified
Maine State AGbd_4c12bf478b56ad572024-01-18Candidate
Massachusetts State AGbd_be57bbd5f9fa0ff12024-01-18Verified
Vermont State AGbd_c1e094ad196792692024-01-18Verified

Show 1 more filing ↓up to 5d gap

New Hampshire State AGbd_53b2e0bd012923742024-01-23 · +5dVerified

Name: ELO CPAs & Advisors
norm: elo cpas advisors

Name: ELO CPAs & Advisors
norm: elo cpas advisors
Industry: Professional Servicesllm

Discovered: Mar 24, 2023
Breach occurred: Mar 24, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 31, 2023
Affected individuals: 26state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the FBINotified the IRS
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
Worked closely with external cybersecurity professionals
Notified the FBI and the IRS of the incident
Conducted manual review of the impacted data
Reviewed existing policies and training protocols relating to data protection
Enhanced security measures and monitoring tools
Provided access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Provided proactive fraud assistance through Identity Force
Changes made: Reviewed existing policies and training protocols relating to data protection
Enhanced security measures and monitoring tools to mitigate risk and to better prevent similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 43 weeks(300 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGJan 18 · first

Maine State AGJan 18 · first

Massachusetts State AGJan 18 · first

Vermont State AGJan 18 · first

Montana State AGJan 18 · first · this page

New Hampshire State AG+5d

Pattern: first filing Jan 18 (IN), last Jan 23 (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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1031.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 18, 2024
Raw hash: fd147a1af5fca5ef20842ab57e991fa45e14835883a52e7f853093b779a74b56

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityELO CPAs & Advisors

Victim entityELO CPAs & Advisors

Incidentdiscovered Mar 24, 2023

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov