File integrity monitoring/IPS?


#1

Is there a service or technique for doing file integrity monitoring on a website?

For example, if my index.html page changes, I want an email or text sent to me.

Near as I can tell, this is not a service offered by Dreamhost, but I sorta’ figure someone out there is offering such a thing.
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I’m not talking about uptime/downtime – I’m talking about if someone actually modifies a file (such as our home page).


#2

You can create a crontab job with a php/bash script to monitor the modified time of the index.html file. If it is changed, send an email to yourself.


#3

Well…

I’m looking at something that’s not susceptible to the same issues as the environment. Sure, there’s a decent chance a malicious attacker might not think to kill any cron jobs, but something that monitors the file and is not on the same attack surface as the domain would be preferable.