HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

CORPORATION SERVICE COMPANY

bd_3f435c5b8cf60419 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

May 17, 2018

To disclose

—

Affected

5,678state residents only

Linked

7 filings

Confidence

66%

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

Corporation Service Company (CSC) notified the California Attorney General of a data breach affecting approximately 5,678 California residents. An unauthorized third party accessed CSC's network and exfiltrated a database table on November 25, 2017. The compromised data included names and Social Security numbers or credit/debit card information. CSC detected the activity during routine monitoring, engaged forensic firms, and notified law enforcement. The company is offering 12 months of credit monitoring and identity restoration services to affected individuals.

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Incident timeline

Nov 25, 2017

Begins

May 17, 2018

Filed

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
New Hampshire State AGbd_1faa68133b09a3332018-05-17Verified
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: —
Breach occurred: Nov 25, 2017
Materiality determined: —
Notification sent: May 17, 2018
Affected individuals: 5,678state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified California Attorney GeneralNotifying certain state regulators and consumer reporting agencies

During the incident: Took immediate steps to stop the activity
Informed law enforcement
Engaged two leading, independent cyber security firms
Notified impacted customers
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
Continues to monitor all systems for unusual activity
Source: Quoted from the filing itself, not independently verified.

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

Massachusetts State AGMay 17 · first

Oregon State AGMay 17 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-136307
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: b6f4e75206d999436c33e1ced350a92d428cf8d50c88069f2d7902ec6fe0ee33

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityCORPORATION SERVICE COMPANY

Victim entityCORPORATION SERVICE COMPANY

IncidentUnauthorized Access

Stated responseTook immediate steps to stop the activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov