SIR – Learning that most passwords are easy to crack (report, December 15) made me realise that the two years of Army National Service I spent in Singapore and Malaya in the 1950s were not wasted.
My eight-digit Army number was burned on my brain and makes an ideal password which is impossible to break.
Thanks John, we all now know that your password is 8 digits long and contains no letters (upper case or otherwise), that makes the task much easier (10 seconds apparently is all it takes). We also know your name, where you live, that you were in the Army, where you were and when. That can help us find out your password via other methods.
Impossible to break? I beg to differ.