A: Watcher is software for Linux servers. The goals are prevention of 'burglary' and 'abuse' of server systems.
A: People that operate servers as 'exposed hosts' on the open InterNet.
A: No. But Watcher is given away for a small 'donation' as a sign of your appreciation
A: Watcher is owned by ComServe IT-Services/Germany.
A: The complete Watcher product (master & modules) is available in the online shop for a small 'donation' at https://comserve-it-services.de/en/shop-en
A: The project started in 2012 when we felt a tremendous growth of burglary and abuse attempts as well as brute-force attacks.
Traditional 'server hardening' is completely insufficient nowadays. Today's defense measures need 'intrusion detection' in realtime in order to face brute-force attacks, DoS (Denial-of-Service) and server high-jacking attacks ...
A: See the Watcher pages below the 'Products' section on the main WEB site at https://comserve-it-services.de for a detailed overview.
The documentation is publicly available under "Support > Downloads" for a deeper insight into the Watcher Master and the related modules.
For guest users the public wiki with introductory pages is available under Public Wiki here