There are also cases where confidential material being shared through the Internet has caused considerable damage to a company because of a breakdown in security. Allard said filtering or monitoring employees' access to the Internet is not an expensive proposition. A server-based system is a little more expensive, but still relatively cheap. Some business owners object to putting more software on their system, fearing that it will impact their standard software. Allard said the most common reasons businesses give for not using blocks or filters is that they don't want to give the impression that they don't trust their employees, and don't want to negatively impact employee morale.
Some employers consider it a privacy issue.
The instant you decide to go on the Internet you should set firm and stringent policies about Internet usage. Be very specific and abide by that guideline. Often it is only one employee who will cause a problem, and having rules set up ahead of time prevents that employee from arguing that he or she has been unfairly singled out. It isn't so much pornography that is a concern, but shopping and browsing on the Internet. Those are very convenient to do at work, and can waste a lot of time.