...Primarily, the SimpleSiteAudit script is designed to be used as a scheduled task or cron job, run maybe once an hour. It can also be run from your browser via the preferences page.
SSAM also provides its own log view and a view of your cron log.
Full details can be found on my web site - link below.
I have several websites and some time ago I found code in one of my websites that I did not create. One of those scripts was able to send spam and the other one had some malware code in it.
Now you can argue that my website was just not safe enough because who ever placed this code had been able to get in. That is true and the ideal situation is to have such a safe website that nobody can break in.