MalwareTechnologyInformationRansomwareData EncryptedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)MediumActive

ON24, INC.

bd_cbb98131c2d11b40 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 16, 2021

To disclose

—

Affected

3state residents only

Linked

3 filings

Confidence

66%

Full breach record for ON24, INC. →2 incidents on file

ON24, Inc. reported a ransomware incident in June 2021 affecting internal systems. The breach impacted 3 New Hampshire residents, exposing names, SSNs, DOBs, and health insurance info. ON24 engaged forensic investigators, notified law enforcement, took systems offline, and offered 24 months of credit monitoring. Investigation was ongoing as of November 2021.

J jump to incidentP pin to compareR raw source

Incident timeline

Jun 1, 2021

Begins

Nov 16, 2021

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_e9878f847b07a2382021-11-23 · +7dCandidate
Massachusetts State AGbd_a76fe05d17999c972021-11-24 · +8dVerified

Name: DLA PIPER LLP (US)
norm: dla piper llp us

Name: ON24, INC.
norm: on24
Industry: Technologyllm

Discovered: —
Breach occurred: Jun 1, 2021 – Jun 30, 2021
Materiality determined: —
Notification sent: Oct 29, 2021
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement

During the incident: Engaged a leading, third-party cybersecurity firm to conduct a forensic analysis
Notified law enforcement
Took certain systems offline
Engaged outside cybersecurity experts to help remediate and ensure the ongoing security of our systems
Changes made: Deployed additional security, monitoring, and management solutions
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

New Hampshire State AGNov 16 · first · this page

California State AG+7d

Massachusetts State AG+8d

Pattern: first filing Nov 16 (NH), last Nov 24 (MA) — a 8-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://mm.nh.gov/files/uploads/doj/remote-docs/on24-20211116.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 16, 2021
Raw hash: 99ca721c2bcff3bd2da2efd14a65521278cb0cd266ded486c010b87422746cfa

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityDLA PIPER LLP (US)

Victim entityON24, INC.

IncidentRansomware

Stated responseEngaged a leading, third-party cybersecurity firm to conduct a forensic analysis

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov