Why should I worry about privacy and security? I'm not a criminal or a terrorist. I've got nothing to hide. These are things that most people think. They also believe the internet is much more secure and that their personal information is only available to them, whereas this is actually quite wrong.
There are more reasons to want to protect your privacy than can be named. The important principal is that you have a right to privacy as long as that right is used within the bounds of the law. Seeking privacy should not make you feel guilty. Privacy should be expected, and demanded. The reasons might be as simple as preserving your right to express unpopular opinions without being subjected to persecution, or as serious as communicating sensitive business information, revealing credit card numbers, legal discussions with your accountant, or hiding your true identity from a secret government. Regardless of your reasons, privacy is your right. Contrary to what some governing bodies might want the public to believe, not all those concerned with security and privacy are hackers or terrorists.
The internet provides one of the easiest communications tools ever afforded by mankind. It is quick, convenient, cheap....and as insecure as it is quick, convenient, and cheap. A message sent many months ago may remain on an ISP's server or as a backup, and can be easily retrieved by anyone who knows how to do so. This is information which you personally have deleted for a reason - not to be accessed by someone else after you have finished with it. There have been times where information has be retrieved up to 6 months after, and used in a court case as evidence.
It can be quite simple for someone to intercept your messages or information if they want it. This may be just an administrator of your ISP or your office network. Or it might be a business competitor, legal foe, or government agency, with much more serious intentions.
There are an abundant means available to protect online privacy. Some are large and complex while others...