How many overwrites? Rated 5 out of 5 stars

How many times does Secure Sanitizer overwrite data? According to a review by Blippy a few days ago he seemed to believe that it was three times. Is that an accurate conclusion?

This review is for a previous version of the add-on (0.3.2.1-signed.1-signed).  This user has other reviews of this add-on.