Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsTargetedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

GreatBanc Trust Company

bd_bc2b2a9f2c179d7b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 23, 2017

Filed

Jun 19, 2018

To disclose

34 weeks

Affected

160state residents only

Linked

5 filings

Confidence

64%

Full breach record for GreatBanc Trust Company →

GreatBanc Trust Company notified individuals of a phishing scam that led to unauthorized access of an email account in October 2017. The attacker attempted to redirect wire transfer emails. Personal information (name, address, DOB, SSN) was present in the account. No evidence of data copying was found. Remediation included MFA, training, and 12 months of credit monitoring.

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Incident timeline

discovery → filing · 34 weeks / 239 days

Oct 23, 2017

Begins

Oct 23, 2017

Discovered

Jun 19, 2018

Filed

vs. sector median

+26 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_5c2ca6a5104f4a522018-06-18 · +1dVerified
Montana State AGbd_81f99a9f439c10ee2018-06-15 · +4dCandidate
California State AGbd_b77fafab2a9b01232018-06-15 · +4dVerified
New Hampshire State AGbd_f89cba7178f455372018-06-15 · +4dVerified

Name: GreatBanc Trust Company
norm: greatbanc trust
Domain: greatbanctrust.com

Name: GreatBanc Trust Company
norm: greatbanc trust
Domain: greatbanctrust.com
Industry: Financial Servicesllm

Discovered: Oct 23, 2017
Breach occurred: Oct 23, 2017 – Oct 29, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 15, 2018
Affected individuals: 160state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Hired a computer forensic specialist to assist us
Retained counsel experienced in data breach to assist us
Changes made: Additional educational training and testing
Two-factor authentication before emails can be accessed outside the office
Implementing a portal for transfer of sensitive documents which will eliminate those from running through the email system
Arranged to have AllClear ID protect your identity for 12 months at no cost to you
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(239 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGJun 15 · first

California State AGJun 15 · first

New Hampshire State AGJun 15 · first

Massachusetts State AG+3d

South Carolina State AG+4d · this page

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/2018/GreatBancTrustCompany.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 19, 2018
Raw hash: 11fed58436e5416e8d5be98a0a1b85b09c4b5812906382189db9e98788ac79c6

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityGreatBanc Trust Company

Victim entityGreatBanc Trust Company

Incidentdiscovered Oct 23, 2017

Stated responseHired a computer forensic specialist to assist us

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov