UnknownFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)LowContained

GCSS Advisors

bd_a0725416aa88dbc9 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 7, 2026

To disclose

—

Affected

1state residents only

Confidence

66%

Full breach record for GCSS Advisors →

GCSS Advisors notified Massachusetts residents of an email event that may have impacted their name and other data elements. The firm secured the account, confirmed email environment security, and conducted an investigation. Law enforcement and regulators were notified. Affected individuals are offered 24 months of credit and identity monitoring through IDX. No specific dates for discovery or occurrence were provided in the notice.

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Incident timeline — partial

? — ?

Breach window unknown

Aug 7, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: GCSS Advisors
norm: gcss advisors
Domain: gcssadvisors.com

Name: GCSS Advisors
norm: gcss advisors
Domain: gcssadvisors.com
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unknown
Regulator citations: Notified relevant regulatory authorities

During the incident: Took steps to secure the account
Confirmed the security of the email environment
Conducted a comprehensive investigation to determine what may have happened
Notified law enforcement and relevant regulatory authorities
Reviewing and enhancing existing policies and procedures
Changes made: Offering complimentary access to 24 months of credit and identity monitoring services through IDX
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.

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://www.mass.gov/doc/2026-1318-gcss-advisors/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2026
Raw hash: 2d6e7d36f49afebbd51153ffcd63030295a7e1f7277217aa2e196eb8ec24a7c6

Reporting entityGCSS Advisors

Victim entityGCSS Advisors

IncidentUnknown

Stated responseTook steps to secure the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov