AccidentalFinancial ServicesFinanceMisconfigurationCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumResolved

Trustmark Mutual Holding Company

bd_35d3cec9ec1ffb6b · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 14, 2015

Filed

Jun 29, 2015

To disclose

7 weeks

Affected

63state residents only

Linked

4 filings

Confidence

65%

Trustmark Mutual Holding Company notified South Carolina residents of a data incident on June 22, 2015. On May 14, 2015, a software error caused encrypted emails intended for specific insurance carriers to be sent to all carriers, exposing insureds' names, SSNs, and payroll deduction info. Trustmark recalled emails, worked with carriers to delete data, fixed the error, and offered 2 years of credit monitoring via Experian.

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Incident timeline

discovery → filing · 7 weeks / 46 days

May 14, 2015

Begins

May 14, 2015

Discovered

Jun 29, 2015

Filed

vs. sector median

2 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_f1d6160894b297d72015-06-29Verified
California State AGbd_1a66194c6ea5966c2015-06-22 · +7dCandidate
New Hampshire State AGbd_cbd4dde28df412a62015-06-22 · +7dVerified

Name: Trustmark Mutual Holding Company
norm: trustmark mutual
Domain: trustmarkbenefits.com

Name: Trustmark Mutual Holding Company
norm: trustmark mutual
Domain: trustmarkbenefits.com
Industry: Financial Servicesllm

Discovered: May 14, 2015
Breach occurred: May 14, 2015
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 22, 2015
Affected individuals: 63state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection

During the incident: Took steps to recall the emails
Contacted each insurance carrier recipient and requested confirmation that the emails and the attachments had been permanently deleted
Identified and corrected the software error that caused this incident
Implemented safeguards to ensure it does not occur again
Engaged Experian to offer complimentary Fraud Resolution and identity protection for two years
Changes made: Identified and corrected the software error that caused this incident
Implemented safeguards to ensure it does not occur again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(46 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

California State AGJun 22 · first

New Hampshire State AGJun 22 · first

Massachusetts State AG+7d

South Carolina State AG+7d · this page

Pattern: first filing Jun 22 (CA), last Jun 29 (SC) — a 7-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://consumer.sc.gov/sites/consumer/files/Documents/Business%20Resources%20Laws/Related%20Laws/Breaches/2015/Trustmark.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 29, 2015
Raw hash: 9064cf70bca53d1a588a0e4a5243da7a78eb9d34f83317b730b8051bf9e8f5d6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTrustmark Mutual Holding Company

Victim entityTrustmark Mutual Holding Company

Incidentdiscovered May 14, 2015

Stated responseTook steps to recall the emails

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov