Cisco Secure Firewall Threat Defense
Cisco Secure Firewall Threat Defense is the firewall software that runs on Cisco Secure Firewall appliances, as a virtual version and as a container version. It provides Snort 3 inspection, site-to-site and remote access VPN, URL categorization, clustering and high availability. It is managed through Firewall Management Center or Firewall Device Manager and offers a REST API and ISE identity integration.
Cisco Secure Firewall Threat Defense is a Cisco product filed under Network Security Software. Lifecycle: versioned, 13 versions listed, latest 7.7(x).
Source: Cisco Secure Firewall Threat Defense - Cisco, retrieved 15 Oct 2026
Releases and Lifecycle
All Cisco productsRelease and support dates as published by Cisco; dates within the next 12 months are highlighted, past dates dimmed. Retrieved 2026-10-14.
Cisco Secure Firewall Threat Defense 13 versions
| Version | End of sale | End of standard support | End of life | Source |
|---|---|---|---|---|
| 7.7(x)Cisco End-of-Life PolicyEnd-of-life announced 2026-03-31. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 7.3(x)Cisco End-of-Life PolicyEnd-of-life announced 2025-05-20. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 7.2(x)Cisco End-of-Life PolicyEnd-of-life announced 2025-05-20. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 7.1(x)Cisco End-of-Life PolicyEnd-of-life announced 2023-06-23. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 7.0(x)Cisco End-of-Life PolicyEnd-of-life announced 2025-05-20. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.7Cisco End-of-Life PolicyEnd-of-life announced 2021-01-08. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.6(x)Cisco End-of-Life PolicyEnd-of-life announced 2021-09-01. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.5(x)Cisco End-of-Life PolicyEnd-of-life announced 2020-05-22. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.4(x)Cisco End-of-Life PolicyEnd-of-life announced 2022-08-29. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.3(x) and 6.2.2Cisco End-of-Life PolicyEnd-of-life announced 2019-10-31. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.2.3Cisco End-of-Life PolicyEnd-of-life announced 2021-08-06. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.2.0 and 6.2.1Cisco End-of-Life PolicyEnd-of-life announced 2018-09-04. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] | |||
| 6.1Cisco End-of-Life PolicyEnd-of-life announced 2019-11-22. Standard support date is the end of software maintenance releases; end of life is the last date of support. | [8] |
Lifecycle Policy
- Cisco End-of-Life Policy. Cisco announces end-of-sale about six months ahead and typically provides TAC support for three years for operating-system software and two years for application software from the end-of-sale date. [2]
Sources 1
- Cisco Secure Firewall Threat Defense - End-of-Life and End-of-Sale Notices retrieved 2026-10-13