this is a good subject, this site has some good info
http://www.brycefastener.com/
"Age old tamperproof, tamper-resistant, vandal resistant screws are insecure because the bits are commonplace and sold in retail stores."
http://www.brycefastener.com/
"Age old tamperproof, tamper-resistant, vandal resistant screws are insecure because the bits are commonplace and sold in retail stores."
