PC Security

When you connect to the Internet, allow other people to use your computer, or share files with others, you should take steps to protect your computer from a harm اذى . Why? Because there are computer criminals (sometimes called hackers) who attack other people s computers. These people can attack directly, by breaking into your computer through the Internet and stealing your personal information, or indirectly, by creating malicious خبيثة software to harm your computer. Protect your computer
There are ways to protect your computer against potential security threats تهديدات :
? Firewall
A firewall can help protect your computer by preventing hackers or malicious software from gaining access to it.
? Windows Update.
Windows can routinely check for updates for your computer and install them automatically, this can help protect your computer against new viruses and other security threats. To ensure that you receive these updates as quickly as possible, turn on automatic updating.
? Virus protection.
Antivirus software can help protect your computer against viruses, worms, and other security threats. A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. Often, it uses a computer network to spread itself, relying on security failures on the target computer to access it. Unlike a computer virus, it does not need to attach itself to an existing program. Worms almost always cause at least some harm to the network, even if only by consuming bandwidth, whereas viruses almost always corrupt or modify files on a targeted computer.
College of Information Technology / Software Department
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Computer Skills II / First Class / Second Semester
LEC. 5
02
? Spyware and other malware protection.
Antispyware software can help protect your computer from spyware and other potentially يحتمم أن تكون unwanted software. Malware انبرمجيات انخبيثة is software designed to damage a computer system without the owner’s knowledge or agreement. Malware is short for malicious software and includes computer viruses, spyware, worms, and Trojan horses, or any other unwanted or malicious software. Spyware برامج انتجسس is a type of malware that can be installed on computers to collect information about users without their knowing, these programs can also collect personal information and change settings stored on a user’s computer.
Manage security settings with Action Center
Action Center checks several security and maintenance-related items of your computer that help indicate your computer s overall performance. When the status of a monitored item changes (for example, your antivirus software becomes out of date) Action Center notifies you with a message in the notification area on the taskbar, the status of the item in Action Center changes color to reflect the severity of the message, and an action is recommended.
Action Center * manages firewall settings, Windows Update, anti-malware software settings, Internet security, and User Account control settings.
Action Center also * monitors computer maintenance settings and provides links to troubleshooters and other tools that can help fix problems.
To change which items Action Center checks:
1. Click to open Action Center.
2. Click Change Action Center settings.
3. Select a check box to make Action Center check an item for changes or problems, or clear a check box to stop checking the item.
4. Click OK.