Both keys are needed to decrypt. This type of encryption has proved particularly reliable in recent years. The Cryptography FAQ goes into more detail on the general subject of encryption. There is also a Web page on PGP resources , which explains PGP and shows you how to download it. Employee monitoring If you use a computer system at work, Big Brother may be watching you.
Some monitoring seems reasonable.
For example, there are programs which check to see if an employee is spending the day surfing the Internet rather than getting his work done. In this case, the employee clearly is not doing his job, costing the company money. The boss needs to know about it. You are a data entry clerk. At some point in the day, you have to go to the bathroom.