Can you help me do a attack tree for this case?

Threat #1 DOS Error & DDOS Error - DOS, short form of Denial of Service and DDOS short form of Distributed Denial of Service are superior amongst all the threats as they are very difficult to get rid from. In addition they easily get launched and are cumbersome to track.

Security Solutions

Monitoring the packets to save your server from the entrance of the counterfeit packets.

Timely upgrading of the security patches on your hosts operating system.

Beware of running of your server very close to the last level of the capacity.