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

CORPORATION SERVICE COMPANY

bd_1faa68133b09a333 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 5, 2018

Filed

May 17, 2018

To disclose

6 weeks

Affected

65state residents only

Linked

7 filings

Confidence

66%

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

Corporation Service Company (CSC) notified the New Hampshire Attorney General of a data event affecting 65 NH residents. An unauthorized third party accessed CSC's network and exfiltrated a database table containing names and Social Security numbers on November 25, 2017. CSC detected the breach on April 5, 2018, engaged forensic firms, notified law enforcement, and implemented enhanced security measures including MFA and stronger password policies. Affected individuals were offered 12 months of credit monitoring.

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Incident timeline

undetected · 131 days

discovery → filing · 6 weeks / 42 days

Nov 25, 2017

Begins

Apr 5, 2018

Discovered

May 17, 2018

Filed

vs. sector median

13 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

Washington State AGbd_0b9793f68588a6242018-05-17Candidate
California State AGbd_3f435c5b8cf604192018-05-17Verified
Massachusetts State AGbd_9e3380d929b63acd2018-05-17Verified
Oregon State AGbd_bc65e9cd2ef121b42018-05-17Verified

Show 2 more filings ↓up to 25d gap

Montana State AGbd_0179841f383577542018-06-11 · +25dVerified
New Hampshire State AGbd_30e939b480112b382018-06-11 · +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 17, 2018
Affected individuals: 65state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Took immediate steps to stop the activity
Informed law enforcement
Engaged two leading, independent cyber security firms
Notified impacted customers
Initiated incident response and mitigation activities
Offering 12 months of free credit monitoring and identity restoration services
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
Continuing to monitor all systems for unusual activity
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 · 7 filings · 6 states

View merged incident ↗

Washington State AGMay 17 · first

California State AGMay 17 · first

Massachusetts State AGMay 17 · first

Oregon State AGMay 17 · first

New Hampshire State AGMay 17 · first · this page

Montana State AG+25d

New Hampshire State AG+25d

Pattern: first filing May 17 (WA), last Jun 11 (NH) — 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://mm.nh.gov/files/uploads/doj/remote-docs/corporation-service-20180517.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 17, 2018
Raw hash: 35fc7017911148a91224cfe7fc5315fb634b0414b8e7c667ff3bd32981dbeff9

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 provenancemm.nh.gov