DisclosureLens
HackingTechnologyInformationVulnerability ExploitData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Welltok

bd_b925df3d573a7cb2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 26, 2023

Filed

Nov 22, 2023

To disclose

17 weeks

Affected

363state residents only

Linked

22 filings

Confidence

66%
Full breach record for Welltok →3 incidents on file

Welltok, Inc. notified New Hampshire residents that an unknown actor exploited vulnerabilities in the MOVEit Transfer server on May 30, 2023, to exfiltrate data. Welltok discovered the compromise on July 26, 2023, and confirmed the breach on August 11, 2023. Approximately 363 New Hampshire residents were affected. Welltok engaged third-party cybersecurity specialists, offered credit monitoring via Experian, and enhanced privacy policies.

Incident timeline

undetected · 57 days
discovery → filing · 17 weeks / 119 days

May 30, 2023

Begins

Jul 26, 2023

Discovered

Nov 22, 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

Show 6 more filings ↓up to 184d gap

Showing first 10 of 21 linked disclosures.

Filing propagation · 11 filings · 5 states

View merged incident ↗

Pattern: first filing Nov 22 (NH), last May 24 (SC) — a 184-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.