Jobs (DE)Terms of UsePrivacy PolicyImprint


Update 7.1-1.1 (2019-09-03)
Update 7.1-1.0 (2019-07-11)


Update 7.0-5.1 (2019-09-03)
Update 7.0-5.0 (2019-07-11)
Update 7.0-4.0 (2018-05-18)
Update 7.0-3.0 (2017-09-11)
Update 7.0-2.0 (2016-12-13)
Update 7.0-1.0 (2016-09-14)


Orbiter 3.1.5 (2018-03-23)
All older release series have reached their end of life and are unsupported. Please update your system.
The update is free of charge if, by the time the new release series had been published, your product was covered by a maintenance contract. You can purchase updates from your DEFENDO dealer.
The purchase of an update gives you the opportunity to sign a software maintenance contract.
Stay informed of new updates by subscribing to the RSS Feed of this page.


Avira 4.11.1-0 (2019-07-02, 133 MB)


F-Secure 11.10.68-4 (2019-07-02, 112 MB)


Kaspersky (2019-07-02, 182 MB)
The install packages available from this page are only required, when installing the scanner the very first time. On new devices the scanner is usually pre-installed. The scanner engines are updated along with the DEFENDO-Updates.
The install packages provide a special version of the scanners tailored to DEFENDO. Licenses are sold exclusively by authorized DEFENDO dealers.




DEFENDO forces a collection of best-of-breed security modules like firewall, VPN, proxies, virus scanner and anti spam system to interact for one purpose:
To be protected from all online threats and unwanted contents like malicious code, spam and hacker attacks.


Each IT scenario is different. The DEFENDO product family will adapt precisely to your demands.
DEFENDO applies for simple internet connections of small companies, for headquarters / branch office WANs, as well as for complex multi-tiered firewall systems.

More good reasons

  • No backdoors
  • More than 15 years of Internet security experience
  • Award-winning product
  • Support by our development engineers
  • Reseller loyalty
  • Made in Germany