well… if CM is right there is definitely a big difference between a DDOS and a (D)FUZZING attack.
DDOS: Deny all users from reading or posting to the board. DDOS needs monkey brain skills.
(D)FUZZING: Very loud, non sneaky hacking attack with the goal of detecting vulnerabilities in a non very targeted way. (either you are out of ideas or not very wise or both or ultima ratio).
Together with Q warning No.476806 about vulnerabilities in the board source code I really don't know if I would consider this board a "safe place" anymore.
…or asking kind of provocative "if someone could have modified source code of the board in the past - can you guarantee the cert(s) key(s) are safe - can you guarantee no backdoor was placed" ?