UnknownTechnologyInformationEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)EmploymentMediumContained

ON24, INC.

bd_e9878f847b07a238 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 23, 2021

To disclose

—

Affected

Not disclosed

Linked

3 filings

Confidence

65%

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

ON24, Inc. experienced a security incident in June 2021 impacting internal systems. Personal information of current and former employees and beneficiaries, including names, addresses, dates of birth, Social Security Numbers, and health insurance/benefits enrollment data, was potentially exposed. ON24 engaged third-party cybersecurity experts, notified law enforcement, contained the incident by taking systems offline, and deployed additional security measures. Affected individuals were offered 24 months of complimentary Experian IdentityWorks identity protection services.

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Incident timeline

Jun 1, 2021

Begins

Nov 23, 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

Massachusetts State AGbd_a76fe05d17999c972021-11-24 · +1dVerified
New Hampshire State AGbd_cbb98131c2d11b402021-11-16 · +7dVerified

Name: ON24, INC.
norm: on24

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: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Employment
Attack vector: Unknown
Regulator citations: Notified law enforcement

During the incident: Launched an investigation
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
Deployed additional security, monitoring, and management solutions
Providing a 24-month subscription to Experian IdentityWorks at no charge
Set up a dedicated and confidential toll-free telephone line to respond to questions
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

California State AG+7d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-547902
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 23, 2021
Raw hash: e6d62efd0cfac346fba7ef4c35dba7a986a150ad40d4c3040696b265da539de8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityON24, INC.

Victim entityON24, INC.

IncidentUnknown

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov