Security

Security with computers is its own profession. In an honest world, none of this would be necessary as people wouldn't trespass onto other people's computers. By using electricity to access someone else's computers, you are physically (literally trespassing) on their property by virtue of electrons on a wire. It is a sin. It is evil.

I prefer to focus on architecture of electronics / computers and how things work more than security. But it's impossible to avoid it completely, so I see some of it in my work and study.

One thing to keep in mind with computer security, is that if you become a full time security consultant in any type of a government position (either directly or indirectly - as a consultant), you are essentially part of your nations military. And this means other nations may attack you (either in war or terrorism). Modern warfare is going to be largely computer based, and this means that computer security employees are soldiers. Being a soldier means you are a target. This is another reason, not to participate in computer security as a full time occupation. Computer security researchers will be prime targets if there is ever a World War 3.

The final reason to avoid computer security, is that it is miserable work, and there is always someone that holds higher keys than you. You can't beat the surveillance state. Unless you make your own internet or try to wall it off.

All that being said, here are some resources on security.