HackingRetail & ConsumerRetailStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Financial accountAuthenticationLowContained

Thomas D. Mangelsen, Inc.

bd_3b924229d39da332 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 25, 2020

Filed

Dec 31, 2020

To disclose

5 weeks

Affected

3state residents only

Linked

5 filings

Confidence

65%

Full breach record for Thomas D. Mangelsen, Inc. →

Thomas D. Mangelsen, Inc. (TDMI) notified customers that malicious code on its third-party website developer's platform (Forix Commerce) compromised payment card data (names, addresses, card numbers, CVVs) for transactions made between Oct 29 and Nov 19, 2020. TDMI secured the site, removed the code, reset passwords, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 27 days

discovery → filing · 5 weeks / 36 days

Oct 29, 2020

Begins

Nov 25, 2020

Discovered

Dec 31, 2020

Filed

vs. sector median

2 wks faster

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_038fd847025e710e2020-12-31Verified
Indiana State AGbd_23369d37e5d66fb12020-12-31Verified
Maine State AGbd_a0a669dc23f7289a2020-12-31Verified
New Hampshire State AGbd_2216f7bf752db3862021-01-11 · +11dVerified

Name: Thomas D. Mangelsen, Inc.
norm: thomas d mangelsen
Domain: mangelsen.com

Name: Thomas D. Mangelsen, Inc.
norm: thomas d mangelsen
Domain: mangelsen.com
Industry: Retail & Consumerllm

Discovered: Nov 25, 2020
Breach occurred: Oct 29, 2020 – Nov 19, 2020
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 25, 2020
Affected individuals: 3state-resident count only
Data types: Identity (basic)Financial accountAuthentication
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1056 Input Capture
Threat actor: ExternalFinancial
Third party: via Forix Commerce
Initial access: exploit_public_facing

During the incident: Secured its website
Worked with Forix to remove the malicious code
Performed scans for any other malicious code or activities
Performed a global password reset
Offering 12 months of credit monitoring and identity theft protection services through TransUnion
Changes made: Continuing to work with Forix to ensure the security of TDMI’s website
Reviewing its security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 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 ↗

Massachusetts State AGDec 31 · first

Indiana State AGDec 31 · first

Maine State AGDec 31 · first

Montana State AGDec 31 · first · this page

New Hampshire State AG+11d

Pattern: first filing Dec 31 (MA), last Jan 11 (NH) — a 11-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://dojmt.gov/wp-content/uploads/TDMI-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 31, 2020
Raw hash: 1073db8ca4b05aaa4c4664d974c05022e94faeacd9f26bd540494a6e667faf10

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityThomas D. Mangelsen, Inc.

Victim entityThomas D. Mangelsen, Inc.

Incidentdiscovered Nov 25, 2020

Stated responseSecured its website

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov