Computers are very detailed machines with fixed rules, codes and languages. Everything follows a pattern and planning to work efficiently. Computer viruses can affect the cosmetics of a computer, such as the screen display shows or simple functions like the way the keyboard controls or the functionality of the drive. Some of these symptoms may seem only a minor inconvenience, but when you see these signs you have to wonder what may have caused the change and what is going on that you can not see. Other symptoms may include loss of files, loss of memory, slow service and corrupted programs.
The virus writer determines how the system but will infect as what they want to do with the virus. In most cases, a virus will carry out damage to the host system, and this is possible during the carrying out of a different function, such as retrieving information, and then spread to the rest of the network.
A computer virus is similar to a medical virus that often happens even when measures have been taken to prevent this. Especially malicious viruses steal information and data which may be confidential. This can be customer or client personal data or medical, financial or other form. It can be company-specific information on employee files, usernames and passwords, or other company functions. Information can be removed at the same time. It can extract information from another computer on the network. It can locate other users and obtain their information.
There are many programs available and they are a must-have for personal computer of an individual and certainly that of a company. Strong measures must be taken to prevent viruses within a company, as open an infected computer door for the entire network, allowing customers, clients and even employees at risk. Companies must understand that the state of their system is susceptible to change with each employee who signs into the network.
Training should be taken to avoid damage by the employee education how to determine what the safe use of the system, how the protection of programs and how to know if something is questionable and when the below to the attention of the IT department. It is always useful to set up the antivirus programs to run automatically and the individual systems or network can be set as a whole to the programs that are installed with fixes and patches as needed updated automatically. In addition to anti-virus filter can help to block viruses.
While the anti-virus is placed inside the firewall, a filter is placed on the outside, and closer to the server. Users can as far as what can be included is limited and may not be able to open attachments. This will no doubt make an inconvenience, but it is in the best interest of the company and saves money by eliminating the loss of business as a shutdown is necessary to solve a problem. A virus usually spreads very quickly and for a big company it can be costly. always occur the least expensive way to reduce the risk of the virus.