Here is a YouTube playlist I created to help you make a informed decision on the lock/security products you may consider purchasing.
Here is a link to some useful info for researching lock vulnerabilities from Investigative Law Offices.
ANSI/BHMA Lock grades information articles from Locksmith ledger.
Here is the ANSI/BHMA residential lock rating system information that was introduced in 2015 article from Construction Canada.
Here is UL safe ratings article from Lock Reference.
Here are some tips on how to keep your door hardware looking new from Schlage Locks.
Brass, Stainless Steel, Boron Carbide, Steel.
Aluminum, Zinc, Plastic, Zinc alloys, Aluminum alloys.