Perhaps either of these links may provide with guidance for a relevant tool;
http://en.wikipedia.org/wiki/Integrity_checker
http://en.wikipedia.org/wiki/Samhain_(software)
http://en.wikipedia.org/wiki/Comparison_of_file_verification_software
http://en.wikipedia.org/wiki/Tripwire_(software)
If you also want to record access attempts, you may have to look into the audit daemon.
http://security.blogoverflow.com/2013/01/a-brief-introduction-to-auditd/
http://xmodulo.com/2013/05/how-to-monitor-file-access-on-linux.html
/K
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