No company that I ever hacked into reported any damages, which they were required to do for significant losses. Sun didn't stop using Solaris and DEC didn't stop using VMS.
Kevin MitnickI was addicted to hacking, more for the intellectual challenge, the curiosity, the seduction of adventure; not for stealing, or causing damage or writing computer viruses.
Kevin MitnickI obtained confidential information in the same way government employees did, and I did it all without even touching a computer. ... I was so successful with this line of attack that I rarely had to go towards a technical attack.
Kevin Mitnick