Whether you are a system administrator or a temporary user of a large company, viruses and worms can easily affect a computer system without taking the right precautions. The types of damage that can be caused to a computer can vary from slight to severe, and common problems are related to poor performance, email spoofing, or complete PC damage. The most serious problem may cause the hard drive to be deleted. Here are the six basic rules to help protect your PC:
Powerful security software
Install a top-level security package on your PC and make sure it stays up to date. Any proven package will increase your ability to defend against spyware, hackers and Trojan horse attacks, and include many different technologies such as anti-phishing, anti-spam, firewall, anti-spyware and anti-virus software. Also, use the most advanced software that is often run in the background and continue to scan files, email attachments, websites or other programs while in use.
Internet service provider
Sign up for a reliable Internet Service Provider [ISP] that uses powerful anti-phishing and anti-spam technologies to prevent many viruses from reaching your PC.
Automatic Windows update
Let the Windows operating system update automatically to ensure that the latest software is always installed on the PC. Windows often releases patches that help fix known vulnerabilities. If you do not download the content immediately after it is released, the risk of spyware or Trojan horses infecting your computer increases.
e-mail attachment
Avoid opening email attachments unless they are sent by someone you know and trust. Most security software programs can be set to automatically perform attachment scanning when an attachment is received. In addition, the preferred email program should not be set to automatically render graphics or open attachments.
Peer-to-peer file sharing
Be careful when sharing digital media using peer-to-peer [P2P] technology, as it is easy to imagine Trojans in such programs. Similar to email, these files are only opened when they are from a trusted source. Some file extensions should be avoided, including file extensions ending with bat, bin, cmd, dll, lnk, scr, and vbs.
Regular backup
Backing up important files on your PC is certainly beneficial in the unfortunate event of being attacked by viruses or worms. If the PC does not respond or the file is lost after the attack, the backup will make it easier to recover lost personal information [bank statements or tax returns], movies, music, photos, etc.
Orignal From: 6 tips to protect your PC from viruses and worms
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