To increase the reliablity of a system, improve the weak links in a system, not the strong.
In a computer systems class we had a lecture about security and cryptographics. There were many case studies of fraud, and almost none of them were deciphering codes. There were many other way easier approaches to steal money from bank accounts.
> improve the weak links in a system, not the strong
How is the fact that a credit card number (given online or copied down by a waiter) gives armies of thieves continuous access to my account not a weak link?
In a computer systems class we had a lecture about security and cryptographics. There were many case studies of fraud, and almost none of them were deciphering codes. There were many other way easier approaches to steal money from bank accounts.