HackingTechnologyHealthcareInformationVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDMediumContained

Welltok

bd_db6e6d3e58b51e90 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 26, 2023

Filed

Dec 22, 2023

To disclose

21 weeks

Affected

642state residents only

Linked

22 filings

Confidence

65%

Full breach record for Welltok →3 incidents on file

Welltok, Inc. filed a supplemental notice with the New Hampshire Attorney General regarding a breach of its MOVEit Transfer server. An unknown actor exploited software vulnerabilities to access the server on May 30, 2023, and exfiltrated data. Welltok detected the compromise on July 26, 2023, and confirmed the breach on August 11, 2023. The incident affected approximately 642 New Hampshire residents, whose personal information (including names, addresses, and potentially government IDs) was exposed. Welltok engaged third-party cybersecurity specialists, offered credit monitoring via Experian, and is reviewing its privacy policies.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 57 days

discovery → filing · 21 weeks / 149 days

May 30, 2023

Begins

Jul 26, 2023

Discovered

Aug 11, 2023

Scope determined

Dec 22, 2023

Filed

vs. sector median

+8 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_0328ea1fdab9c4592023-12-22Verified by operator
California State AGbd_5e4b7107bd1176de2023-12-22Verified
Vermont State AGbd_8ca9e17ac4dfbe9b2023-12-22Verified
Maine State AGbd_063b1deb8c7a2bff2023-12-15 · +7dVerified by operator

Show 6 more filings ↓up to 154d gap

Vermont State AGbd_69d99adc86ef4dcf2023-12-15 · +7dVerified
California State AGbd_b765e398c9850ca12023-12-15 · +7dVerified
New Hampshire State AGbd_e5a605be617ae3962023-12-15 · +7dVerified
California State AGbd_cf54a7692c42c7aa2024-01-08 · +17dVerified by operator
California State AGbd_d2c5cdddd25b96d92024-02-28 · +68dVerified by operator
South Carolina State AGbd_57aa66e4578bd8912024-05-24 · +154dVerified 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: Aug 11, 2023
Notification sent: Dec 22, 2023
Affected individuals: 642state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
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 its existing policies and procedures related to data privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(149 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 ↗

Maine State AGDec 15 · first

Vermont State AGDec 15 · first

California State AGDec 15 · first

New Hampshire State AGDec 15 · first

Maine State AG+7d

California State AG+7d

Vermont State AG+7d

New Hampshire State AG+7d · this page

California State AG+24d

California State AG+75d

South Carolina State AG+161d

Pattern: first filing Dec 15 (ME), last May 24 (SC) — a 161-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-20231222.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2023
Raw hash: 94890cd8b19253fc858b2aa1222b1fe4162327cb9f696f082a882cbf27f2ff63

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