2021-07-28 ON24 INC. Cybersecurity Incident

Page last updated on April 11, 2024

ON24 INC. initially disclosed a cybersecurity incident in an SEC 8-K filing on 2021-07-28 16:06:01 EDT.

Incident Details

Material: Unknown
Is Breach: Unknown
Records Compromised: Unknown
Data Types Impacted: No Data Types Tracked (yet)

Compromised Date:
Detected Date:
Disclosure Date: 2021-07-28
Contained Date:
Recovered Date:

Attack Goal: Unknown

Costs: No Costs Tracked (yet)


8-K filed on 2021-07-28

ON24 INC. filed an 8-K at 2021-07-28 16:06:01 EDT
Accession Number: 0001193125-21-227383

Item 8.01 Other Events.

In June 2021, ON24, Inc. (the “Company”) was subject to a security incident involving ransomware, which impacted certain internal systems and a limited number of customer events. Most Company services continued to be available. Promptly upon detecting the incident, the Company launched an investigation, engaged with law enforcement, and took steps to contain the incident and restore impacted event types. As a result of the Company’s restoration work, all scheduled customer events were operational within 24 hours.

The incident has not resulted in any material impact to the Company, its operations or its ability to provide its services. Likewise, the incident has not had any material impact on the Company’s results of operations or financial position.

Some data maintained in the Company’s internal systems was impacted. The Company has taken steps to avoid the release of any impacted data. The Company recently concluded its forensic analysis and is working to complete its investigation, with assistance from outside experts, including its investigation of the impact to any employee, customer and/or vendor data. The security of its systems is always a top priority for the Company, and it intends to take all necessary actions, including providing notifications as appropriate, based upon the results of its investigation.

Company Information

NameON24 INC.
SIC DescriptionServices-Prepackaged Software
Emerging growth company
Fiscal Year EndDecember 30