HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedData PublishedSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Guardian Analytics

bd_fd452c6f18b5b1e9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 26, 2023

Filed

Apr 10, 2023

To disclose

11 weeks

Affected

15state residents only

Linked

2 filings

Confidence

63%

Full breach record for Guardian Analytics →

Webster Bank, N.A. notified Montana residents that its third-party vendor, Guardian Analytics, Inc., suffered a data breach. Unauthorized parties accessed Guardian systems between Nov 27, 2022, and Jan 22, 2023, exfiltrating and publishing client names, SSNs, and financial account numbers. Webster retained investigators and offered 24 months of Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d11 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 60 days

discovery → filing · 11 weeks / 74 days

Nov 27, 2022

Begins

Jan 26, 2023

Discovered

Apr 10, 2023

Filed

vs. sector median

+2 wks slower

This filing is one of 2 about the same incident.View merged incident

A leak claim by daixin about this victim predates this filing by 80 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitedaixinbd_aa2ecbd26ccad2e92023-01-20 · +80dCandidate

Name: Webster Bank, N.A.
norm: webster bank
Domain: guardiananalytics.com

Name: Guardian Analytics
norm: guardian analytics
Domain: guardiananalytics.com
Industry: Financial Servicesllm

Discovered: Jan 26, 2023
Breach occurred: Nov 27, 2022 – Jan 22, 2023
Undetected for: 60 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 10, 2023
Affected individuals: 15state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Guardian notified law enforcement and is cooperating with their investigation
Initial access: supply_chain

During the incident: Retained third parties to assist with independent investigation
Working with Guardian to ensure enhanced security measures
Offering 24-month membership of Experian’s IdentityWorks at no cost
Changes made: Guardian implementing enhanced security measures to safeguard network, systems, and data
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(74 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-177.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 10, 2023
Raw hash: 14575f1fecc4ca9c8ee03f69dcb7ff5bc2a13c4a907089c2bc2dd3ad7051ecc6

Linked disclosures

Ransomware claims (1)

Reporting entityWebster Bank, N.A.

Victim entityGuardian Analytics

Incidentdiscovered Jan 26, 2023

Stated responseRetained third parties to assist with independent investigation

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov