HackingTechnologyHealthcareInformationVulnerability ExploitData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDHealth (basic)Financial accountMediumContained

Welltok

bd_f5d34ac976e2a29f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 26, 2023

Filed

Dec 5, 2023

To disclose

17 weeks

Affected

116state residents only

Linked

22 filings

Confidence

66%

Full breach record for Welltok →3 incidents on file

Welltok, Inc. notified New Hampshire residents of a breach involving its MOVEit Transfer server. An unknown actor exploited software vulnerabilities to access the server on May 30, 2023, and exfiltrated data. Welltok discovered the incident on August 11, 2023, and sent notifications to approximately 116 NH residents on December 4, 2023. Impacted data included names, addresses, SSNs, DOBs, and health information. Welltok engaged third-party cybersecurity specialists and offered credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 57 days

discovery → filing · 19 weeks / 132 days

May 30, 2023

Begins

Jul 26, 2023

Discovered

Dec 5, 2023

Filed

vs. sector median

+4 wks slower

This filing is one of 22 filings about the same incident.View merged incident

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_063b1deb8c7a2bff2023-12-15 · +10dVerified by operator
Vermont State AGbd_69d99adc86ef4dcf2023-12-15 · +10dVerified
California State AGbd_b765e398c9850ca12023-12-15 · +10dVerified
Maine State AGbd_0328ea1fdab9c4592023-12-22 · +17dVerified by operator

Show 6 more filings ↓up to 171d gap

California State AGbd_5e4b7107bd1176de2023-12-22 · +17dVerified
Vermont State AGbd_8ca9e17ac4dfbe9b2023-12-22 · +17dVerified
New Hampshire State AGbd_db6e6d3e58b51e902023-12-22 · +17dVerified
California State AGbd_cf54a7692c42c7aa2024-01-08 · +34dVerified by operator
California State AGbd_d2c5cdddd25b96d92024-02-28 · +85dVerified by operator
South Carolina State AGbd_57aa66e4578bd8912024-05-24 · +171dVerified by operator

Showing first 10 of 21 linked disclosures.

Name: Welltok
norm: welltok
Domain: welltok.com

Name: Welltok
norm: welltok
Domain: welltok.com
Industry: TechnologyllmHealthcarellm

Discovered: Jul 26, 2023
Breach occurred: May 30, 2023
Undetected for: 57 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 4, 2023
Affected individuals: 116state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Date of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Initial access: exploit_public_facing

During the incident: Launched an additional investigation with the assistance of third-party cybersecurity specialists
Provided access to credit monitoring services for ... through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Reviewing and enhancing our existing policies and procedures related to data privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 5 states

View merged incident ↗

New Hampshire State AGDec 5 · first · this page

Maine State AG+10d

Vermont State AG+10d

California State AG+10d

Maine State AG+17d

California State AG+17d

Vermont State AG+17d

New Hampshire State AG+17d

California State AG+34d

California State AG+85d

South Carolina State AG+171d

Pattern: first filing Dec 5 (NH), last May 24 (SC) — a 171-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 21 — the full spread may be wider.

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://mm.nh.gov/files/uploads/doj/remote-docs/welltok-20231205.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 5, 2023
Raw hash: 6895eb9cfc05df1c35dcb0723ab82980eee36bf557ca8f6abacdd5c09a57d637

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityWelltok

Victim entityWelltok

Incidentdiscovered Jul 26, 2023

Stated responseLaunched an additional investigation with the assistance of third-party cybersecurity specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov