Internet Security
Computer systems becoming more and more dependent on Internet
At same time becoming more and more vulnerable to attack via Internet
Test networks for vulnerability --
Try all possible forms of illegal access
Try to use legal access as loophole to illegal access
Tool to help systems administrators --
Recognizes several common network-related security problems
Reports problems without exploiting them
SATAN explains each problem, what its impact could be, what can be
done about problem
Sample problems --
Private file systems accessible to outsiders
Arbitrary files accessible via ftp
Password files accessible to outsiders
Old e-mail software with large security gaps