The secure way to erase your personal data from a device you own is to use data erasure software to remove all data from the hard disk drive or SSD.
Requests for Ontrack to remove personal data we have collected about you can be sent to Ontrack American Data Privacy Queries, Attn: Jason Davison, 8201 Greensboro Drive, Suite 300, McLean, VA 22102-3810 per the Ontrack Privacy Policy.