Developer's Guide to Web Application Security

thorized system modifications and take timely action against the intruder, but

administrator and user alike must pay close attention to usual and unusual system

activity. Eternal vigilance is the price of genuine security.

Defacing Web Sites

Once a hacker has access to a site, he may perform any number of actions. A

common perception of hackers is that they are after some form of sensitive data,

such as proprietary information, credit card numbers, or other personal information

that can be used for identity theft. While these are widely reported in the media,

hacking sites isn’t always about accessing data so it can be read or downloaded. In

fact, one ...