Linking
The Checksum
- For instance, if the user changes the 'acct_id' param to 73
/caf/Admin/account?rm=edit&acct_id=73&_checksum=f9053f95a3c...
- The checksum won't match
- The system will treat it as a break-in attempt
/caf/Admin/account?rm=edit&acct_id=73&_checksum=f9053f95a3c...