My AV application, Virus Barrier X6. I had tens of thousands of log files with a first line something like this
mdworker(9642) deny mach-lookup com.intego.mig_hook
The number of such files is equal to the difference between my "normal" count and the abnormal high count.
I filed a report with Intego; they responded in 30 minutes with a setting change that resolved the issue. They have a "Behvioral Analysis" mode that keeps an eye on suspicious activities performed by...