| Under some circumstances, one may have his/her | | | | sense unusual performance on your PC |
| computer infected with virus without knowing it, | | | | - Don't open unknown mails especially with attachment |
| especially if the virus is FUD (FULLY undetectable), | | | | files. |
| then it simply means that no anti-virus can detect it. | | | | - Use a firewall to protect your computer from hacking |
| However, the good news is that viruses can't stay | | | | attacks while it is connected to the Internet. A properly |
| FUD for long. | | | | configured firewall makes it tougher for hackers to |
| There is no single anti-virus program which is designed | | | | locate your computer and get into your system. |
| to eliminate all types of viruses that have been ever | | | | - MS Wndows (XP and Vista) has a software firewall |
| made. As Anti-virus is always one step behind virus, it | | | | built-in which you need to turn on. If your operating |
| is of no surprise that any new Anti-Virus program is | | | | system doesn't include any firewall, you can install a |
| developed only after a new Virus is found. However, | | | | separate firewall software that runs in the background |
| as pre-caution, please frequently check your anti-virus | | | | while you use your computer to surf the Internet. |
| program to make sure it is working as the latest virus | | | | - Most routers (like Dlink, Linksys, Netgear) have their |
| may disable your anti-virus program without you | | | | hardware firewalls built-in. A hardware firewall is an |
| knowing it! | | | | external device that includes firewall software. Like |
| Here are some clues to look out for, clues if your | | | | anti-virus software, any particular firewall software |
| computer might get hijacked | | | | needs to be upgraded regularly to stay effective. |
| - your computer is having frequent periods of | | | | If your computer is affected by computer viruses, |
| prolonged slowdowns | | | | - Immediately disconnect from the Internet (Unplug the |
| - your search results come back all wrong | | | | cable connecting you to the DSL router, and the cable |
| - you get sent to websites you had no intention of | | | | modem) |
| visiting | | | | - Then scan your entire computer with fully latest |
| - you start to receive mails accusing you of sending | | | | updated anti-virus software |
| spams; you find email messages in your "outbox" that | | | | - Report any unauthorized access that the anti-virus |
| you didn't send | | | | software finds to your ISP. |
| To avoid your computer from being virus infected | | | | -If you suspect that any of your passwords have |
| easily, here's what you can do, | | | | been compromised, directly call up the site's company |
| - Make sure you always have the latest anti-virus | | | | immediately and change your password on the spot. |
| software installed on your computer. | | | | - As you can't delete a virus from the infected |
| - Try a remote service which can scam your | | | | computer. You need to get an adapter and a USB |
| computer and remove the virus with a fee | | | | cord to run the Anti-Virus on another computer. |
| - Immediately reinstall your operating system if you | | | | |