Computer Security 1 Keeping your computer safe Computer Security 1 Computer Security 1 includes two lessons: Lesson 1: An overview of computer security and privacy Lesson 2: Protecting your computer and your data Lesson 1 Objectives After completing this lesson, you will be able to: Explain what the terms security and privacy mean as they apply to computing. Identify the various threats prevalent in the world of computers and the corresponding solutions. Definitions Computer threat: Any factor that can damage your computer or the data on it. floods and hurricanes accidental or intentional loss and tampering Computer security: Deals with the measures that you can take to avoid such damage to the computer and its data. Installing computers in secure locations Backing up data Data Storage in Safe Locations Definitions Computer privacy means that your data, such as personal files and e-mail messages, is not accessible by anyone without your permission. Computer privacy deals with the measures that you can take to restrict access to your data. Natural Threats Categories Natural Disasters Fire Extreme Hot or Cold Voltage Problems Solutions Backing up Data Install Computer in Secure Location Controlling Operating Environment Surge Protection Uninterruptible Power Supply Human Threats Categories Hackers Virtual Theft Viruses, Worms & Trojan Horses Spyware Internet Scams Online Predators Solutions Data Storage in Safe Locations Virus and Spyware Protection Firewall Questions?? Lesson 2 Objectives After completing this lesson, you will be able to: Identify several common methods for protecting the operating system, software, and data on your computer. Identify the various means of securing online and network transactions. Identify the common measures for securing email and instant messaging transactions. Protecting Your Computer 1. 2. 3. 4. 5. 6. 7. 8. Implement user identification Set a username and password Keep passwords secure Lock your computer Install protective software Encrypt data Back up data Keep your computer up to date Protecting Your Computer Implement user identification Protecting Your Computer Set a username Protecting Your Computer Set a password (cont.) Protecting Your Computer Set a password (cont.) Protecting Your Computer Set a password (cont.) Protecting Your Computer Set a password (cont.) Click here after filling this form Protecting Your Computer Lock your computer Press: Ctrl Alt Delete keys at the same time Click here to change your password Click here to lock your computer Install protective software Antivirus AVG free AVAST free McAfee Symantec http://free.avg.com/ http://www.avast.com/eng/avast_4_home.html Install protective software AntiSpyware Windows Defender free http://www.microsoft.com/windows/products/winfamily/defender/defa ult.mspx Ad-Aware free McAfee Symantec http://www.lavasoft.com/ Install protective software Firewall Encrypt data Right click file Back up data Back up data (cont.) Back up data (cont.) Back up data (cont.) Restore data Restore data Secure online and network transactions 1. 2. 3. 4. 5. 6. 7. 8. 9. Use strong passwords Protect against hacking and spyware Clear history and cache periodically Delete cookies periodically Avoid sharing personal information Make online transactions on secure sites Configure security components Disable active content Use security help from your ISP Ensure e-mail and instant messaging security 1. 2. 3. 4. 5. 6. Avoid opening e-mail with attachments Do not respond to junk mail Do not respond to unsolicited commercial mail Protect yourself from phishing Chat with known people only Do not open attachments received over instant messenger Questions??