Bruce Schneier offers advice on how to learn more about computer security. Schneier: Computer security is fundamentally a practitioners art, and that requires practice. He says security also requires a particular mindset: thinking like an attacker, an adversary or a criminal. The field has progressed a lot since Schneier wrote this guide and self-study cryptanalysis course a dozen years ago, but theyre not bad places to start to start, he says. The only way to be trusted is if youve made a name for yourself breaking other peoples designs.”]
Source: https://krebsonsecurity.com/2012/07/how-to-break-into-security-schneier-edition/