Companies owned by Cisco
Cisco owns 2 companies in the directory. It is not listed in the directory itself. We have one of its acquisitions on record, with its source.
The 2 companies it owns
| Company | Category | Based in | Founded |
|---|---|---|---|
 Duo Security Duo Security provides multi-factor authentication and identity security tools for businesses. | MFA and passwordless authentication | Ann Arbor, United States | 2010 |
 Splunk Splunk provides a data platform for security, observability, and AI. | SIEM | San Jose, United States | 2004 |
Acquisitions by Cisco
| Date | Deal | Amount | Source |
|---|---|---|---|
| September 2023 | Cisco acquired SplunkSource for Cisco acquired Splunk, opens in a new tab | $28bn | Source for Cisco acquired Splunk, opens in a new tab |
The record covers deals from 2020 onwards. Most deals before August 2026 come from monthly M&A roundups and are dated to the month. Since August 2026 we add deals from the news as they are reported. Smaller deals may be missing. Amounts are in US dollars.