Malicious definition: "motivated by wrongful, vicious, or mischievous purposes", so it doesn't look that what he did was malicious. Also, unlawful? please quote the Canadian law that he broke, even in the US IANAL but the law mentions a vague "unauthorized access", has anyone ever been charged or convicted for running a vulnerability scanner like Nessus?
Not that I disagree with you: always ask for permission in writing from an authorized person before performing any kind of scan or security testing.
Not that I disagree with you: always ask for permission in writing from an authorized person before performing any kind of scan or security testing.