A virus is illegal computer code that can alter programs or destroy data. A virus can copy itself...

Identifying security risks that threaten home and school

computers.

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 email messages from unknown

users Back up your files often

Safety Tips

Safeguarding Computers and

Networks

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.BitDefenderMcAfeeNorton

Firewall

Locks and cabinets Backup Drives and Files Drives just for saving files

Computer Backup

Information Privacy and Copyright

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