Keys and Locks are destined to be busted . In the past, cryptography has been used extensively by the military, intelligence agencies and large corporations. This is no longer the case, sensitive information of all kinds is increasingly finding its way into electronic form.
Security can, and does, mean many things to many people.
Something that gives or assures safety. The level to which a program or device is safe from unauthorized use. Prevention of unauthorized use of a program or device. Written evidence of ownership or creditorship, esp. Measures adopted to guarantee freedom or secrecy of action or communication, as in wartime.