  A virus is illegal computer code that can alter programs or destroy data.  A virus can copy itself onto programs, spreading its damaging effects.

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Presentation transcript:

  A virus is illegal computer code that can alter programs or destroy data.  A virus can copy itself onto programs, spreading its damaging effects from one file to another. What is a computer virus and what can it do?

 Two common variations of computer viruses: 1. Worm 2. Trojan Horse Common Types of Viruses

  An unusual message or image appears on computer screen  An unusual sound or music plays randomly  The available memory is less than normal  A program or file is suddenly missing  The size of a file changes without explanation  A file becomes corrupted or altered  A program or file does not work properly  Computer runs slow or freezes Signs of a Virus Infection

 Virus Removal and Prevention

  Download Anti-Virus Software  Can be downloaded from Internet  Most Anti-Virus companies offer free trial downloads  Use Vaccine Programs  Use a rescue disk Removing a Virus

 Common Anti-Virus Software

  Make sure your Anti-Virus software is up to date and working properly  Scan all portable media devices before downloading  DO NOT open messages from unknown users  Back up your files often Safety Tips

  Access controls  User ID and Password  Possessed Objects and Biometric Devices Access Limits

  Restricts unauthorized intruders from accessing data information, And programs on Networks and Individual computers. BitDefender McAfee Norton Firewall

  Locks and cabinets  Backup Drives and Files  Drives just for saving files Computer Backup

  Unauthorized collection and use of information  Electronic Profile  Phishing  SPAM Information Privacy

  School’s Moral Responsibility  Protect sensitive information  Teachers follow federal and state laws concerning the storage and release of information about their students  Employee Monitoring Privacy Laws

  Illegal copying or using copyrighted software programs  Fair use laws  Use of copyrighted materials on teacher and student Web pages Copyright Laws

  When using material from Web site  Always assume it’s copyrighted  Follow fair use guidelines and school policies when using Web materials for educational purposes Fair Use

  Use of copyrighted materials on your Web page  Requires permission from the creator  School district’s specific guidelines  Public Domain Teacher and Student Web Pages

  Main issue  Objectional material on the Internet  3 areas  Obscene material  Controversial subjects  Incorrect material Ethical Issues

  Musculoskeletal Disorder (MSD), or Repetitive Strain Injury (RSI) can occur  Computer use can lead to  Tendonitis  carpal tunnel syndrome (CTS) Safety and Health

  Take breaks  Wrist rest  Watch mouse and hand placement Prevention

  Digital Media Revolution  The World Wide Web  Netbooks  Assistive Technologies Emerging Technologies

  Web- and video-enhanced Digital Textbooks  Web Based Distance Learning  Wireless Technologies Emerging Technologies