MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIPHIIdentity (basic)Government IDHealth (basic)MediumContained

Troutman Pepper Hamilton Sanders LLP

bd_3f67dde8ca1ace85 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 8, 2023

Filed

Dec 4, 2023

To disclose

43 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for Troutman Pepper Hamilton Sanders LLP →

Troutman Pepper Hamilton Sanders LLP experienced a ransomware attack on February 8, 2023, resulting in unauthorized access and exfiltration of files containing personal and protected health information. The firm detected the incident on the same day but determined the scope of affected data in November 2023. Affected individuals are offered 12 months of credit monitoring and fraud assistance.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday43 weeks discovery → filing

Incident timeline

discovery → filing · 43 weeks / 299 days

Feb 8, 2023

Begins

Feb 8, 2023

Discovered

Dec 4, 2023

Filed

vs. sector median

+25 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteblack_bastabd_28a054e3a775be892023-03-23 · +255dCandidate

Regulatory filings (4) · sorted by filing gap

California State AGbd_23785f748b0bdd012023-12-04Verified
Massachusetts State AGbd_30048867f7068b2f2023-12-04Verified by operator
Montana State AGbd_5d30fecba2fb58872023-12-04Verified by operator
New Hampshire State AGbd_278fc73071292b7e2023-12-15 · +11dVerified by operator

Name: Troutman Pepper Hamilton Sanders LLP
norm: troutman pepper hamilton sanders
Domain: troutman.com

Name: Troutman Pepper Hamilton Sanders LLP
norm: troutman pepper hamilton sanders
Domain: troutman.com
Industry: Professional Servicesllm

Discovered: Feb 8, 2023
Breach occurred: Feb 8, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 4, 2023
Affected individuals: Not disclosed
Data types: PIIPHIIdentity (basic)Government IDHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Reported the incident to law enforcement

During the incident: Took steps to secure our network and mitigate against any additional harm
Reported the incident to law enforcement
Launched an investigation assisted by outside cybersecurity experts
Strengthened our network and implemented additional security improvements recommended by third-party cyber security experts
Changes made: Strengthened our network and implemented additional security improvements recommended by third-party cyber security experts
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for 12 months
Providing proactive fraud assistance through Cyberscout through Identity Force
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 43 weeks(299 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

California State AGDec 4 · first

Massachusetts State AGDec 4 · first

Montana State AGDec 4 · first

Vermont State AGDec 4 · first · this page

New Hampshire State AG+11d

Pattern: first filing Dec 4 (CA), last Dec 15 (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://ago.vermont.gov/document/2023-12-04-troutman-pepper-hamilton-sanders-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 4, 2023
Raw hash: f3a2cef521e7070cacad5ab3674751107ff0709e310b9554f70f9da66fce5546

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityTroutman Pepper Hamilton Sanders LLP

Victim entityTroutman Pepper Hamilton Sanders LLP

Incidentdiscovered Feb 8, 2023

Stated responseTook steps to secure our network and mitigate against any additional harm

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov