HackingProfessional ServicesProfessional ServicesStolen CredentialsCapture Stored DataData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

CORPORATION SERVICE COMPANY

bd_0179841f38357754 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 5, 2018

Filed

Jun 11, 2018

To disclose

10 weeks

Affected

503state residents only

Linked

7 filings

Confidence

63%

Full breach record for CORPORATION SERVICE COMPANY →2 incidents on file

Corporation Service Company (CSC) disclosed that an unknown actor exfiltrated a database table containing names and government IDs (or business registration numbers) on November 25, 2017. CSC detected the unauthorized access and determined the exfiltration on April 5, 2018. Notices were sent to affected individuals, including Rhode Island and New Mexico residents, offering 12 months of credit monitoring. CSC engaged forensic investigators, notified law enforcement, and enhanced security protocols including MFA and stronger password policies.

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Incident timeline

undetected · 131 days

discovery → filing · 10 weeks / 67 days

Nov 25, 2017

Begins

Apr 5, 2018

Discovered

Jun 11, 2018

Filed

vs. sector median

9 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_30e939b480112b382018-06-11Verified
Washington State AGbd_0b9793f68588a6242018-05-17 · +25dCandidate
New Hampshire State AGbd_1faa68133b09a3332018-05-17 · +25dVerified
California State AGbd_3f435c5b8cf604192018-05-17 · +25dVerified

Show 2 more filings ↓up to 25d gap

Massachusetts State AGbd_9e3380d929b63acd2018-05-17 · +25dVerified
Oregon State AGbd_bc65e9cd2ef121b42018-05-17 · +25dVerified

Name: CORPORATION SERVICE COMPANY
norm: corporation service

Name: CORPORATION SERVICE COMPANY
norm: corporation service
Industry: Professional Servicesllm

Discovered: Apr 5, 2018
Breach occurred: Nov 25, 2017
Undetected for: 131 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 18, 2018
Affected individuals: 503state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notifying certain state regulators and consumer reporting agencies of this incident
Initial access: valid_credentials

During the incident: Took immediate steps to stop the activity
Informed law enforcement
Engaged two leading, independent cyber security investigation firms
Offering you complimentary access to 12 months of free credit monitoring and identity restoration services with AllClear ID
Notifying certain state regulators and consumer reporting agencies of this incident
Changes made: Requiring two-factor authentication on certain customer facing applications and internal administration logins
Expanding web application and other firewalls
Mandating 16-character employee passwords
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(67 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

Washington State AGMay 17 · first

New Hampshire State AGMay 17 · first

California State AGMay 17 · first

Massachusetts State AGMay 17 · first

Oregon State AGMay 17 · first

New Hampshire State AG+25d

Montana State AG+25d · this page

Pattern: first filing May 17 (WA), last Jun 11 (MT) — a 25-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/Corporation-Service-Company-3.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 11, 2018
Raw hash: ae6eb62329f32e918c9021ce79a66883a1c1589e16fb70252e0a8d80d7b95fd5

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityCORPORATION SERVICE COMPANY

Victim entityCORPORATION SERVICE COMPANY

Incidentdiscovered Apr 5, 2018

Stated responseTook immediate steps to stop the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov