Cyber Security


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A must for all computer users. An initiative by computerscienceexpertiseDOTcom

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Cyber Security

  1. 1. Computing Ethics Towards Safe Computing By: Dheeraj Mehrotra Towards Quality IT Literacy
  2. 2. Towards Quality IT Literacy
  3. 3. Ensure you have the latest updates. Install updates and security patches on all servers, desktop and laptop PCs. Towards Quality IT Literacy
  4. 4. Reduce the risk of viruses. There are numerous things you can do to protect your computer and your network against viruses. Using anti-virus software and keeping it current is the first step, Towards Quality IT Literacy
  5. 5. Use Windows Security Centre to manage your settings. Get a clear picture of the security settings on your PC using the single, unified view provided in the Windows Security Centre. Towards Quality IT Literacy
  6. 6. Download internet files from trusted sources only. If you're unsure if the files you want to download are safe, consider downloading them to a disk separate from your hard drive, such as a CD or floppy. Then you can scan the files with your virus scanner. Towards Quality IT Literacy
  7. 7. Use password encryption to protect Office files. Improved encryption technology has strengthened password security in Word 2003 and Excel 2003 and extends password encryption to PowerPoint 2003. Look under the Tools menu in each of these three programs to activate password protection. This is an effective way to restrict access to confidential business information. Towards Quality IT Literacy
  8. 8. Clean your hard drive before you discard a PC. If you're getting a new PC or notebook and your old one is being discarded, be sure to remove any sensitive business or personal information before you let it go. This doesn't mean simply deleting files and emptying your Recycle Bin. Your options include reformatting the hard drive or acquiring software that wipes it clean. Towards Quality IT Literacy
  9. 9. Use a firewall. If your company uses always-on broadband to connect to the internet, install a firewall as a basic line of defence against outside intruders. Towards Quality IT Literacy
  10. 10. Never surf the web from a server. As the command centre for your entire network, a server typically stores critical business information. Towards Quality IT Literacy
  11. 11. Be smart about passwords. Always use strong passwords that are at least eight characters long and a combination of lower and upper case letters, numbers and symbols. Don't use the same password repeatedly and make it a point to change your passwords frequently. Towards Quality IT Literacy
  12. 12. Create secure, original passwords. Creating unique passwords is one of the easiest ways for consumers to ensure their privacy and security online. Towards Quality IT Literacy
  13. 13. Avoid deceptive attempts to trick you into revealing credit card numbers, bank accounts, passwords or other personal information. Towards Quality IT Literacy
  14. 14. To avoid being a victim, never respond to an e-mail requesting personal information; if you have any doubt, call the institution claiming to need the information. Towards Quality IT Literacy
  15. 15. Avoid Phishing What is phishing? Phishing means sending an e-mail that falsely claims to be from a particular enterprise (like your bank) and asking for sensitive financial information. Phishing is sending out a 'bait' in the form of a spoofed e-mail that closely mimics most bank notifications. The fraudulent mail is socially engineered to convince recipients to divulge sensitive information such as credit card numbers, PIN, social security numbers and some such information as per the experts. Towards Quality IT Literacy
  16. 16. Practice basic e-mail and downloading quot;street smarts.quot; Most viruses are transmitted as e-mail attachments. Towards Quality IT Literacy
  17. 17. Avoid opening e-mail attachments that contain quot;.vbs,quot; quot;.scr,quot; quot;.exe,quot; or quot;.pifquot; file extensions. Files that end in these extensions are most likely to contain some sort of virus. Towards Quality IT Literacy
  18. 18. Be wary of e-mail messages that ask for personal or financial information such as user names and passwords, credit card numbers, and other sensitive personal information, especially those that are alarming and upsetting in tone. Towards Quality IT Literacy
  19. 19. Do not click any links inside an e- mail that is suspected to be spoofed. Instead, go directly to the valid company's site then log on from there or call the company directly. Towards Quality IT Literacy
  20. 20. Ensure that any Web site visited is secure when submitting sensitive information such as credit card numbers Towards Quality IT Literacy
  21. 21. Knowledge is still the best protection from getting scammed. It is important to educate oneself on Internet fraud. Towards Quality IT Literacy
  22. 22. Ensure that any Web site visited is secure when submitting sensitive information such as credit card numbers Towards Quality IT Literacy
  23. 23. Visit websites by typing the URL directly into the address bar. Make sure any site you reveal information to uses encryption. Towards Quality IT Literacy
  24. 24. Check credit card and bank statements routinely. Notify authorities if you suspect any abuses of your personal information. Towards Quality IT Literacy
  25. 25. To avoid being a victim, never respond to an e-mail requesting personal information; if you have any doubt, call the institution claiming to need the information. Towards Quality IT Literacy
  26. 26. Keep your passwords strong, and keep them in your head. Towards Quality IT Literacy
  27. 27. BACK UP THE HARD DRIVE REGULARLY: Backing up files will not prevent exposure or damage from a virus but it can minimize the consequences. Towards Quality IT Literacy
  28. 28. INSTALL ANTI VIRUS SOFTWARE: Make sure that you have antivirus software installed and that it is up to date. Towards Quality IT Literacy
  29. 29. Don't share your password with anyone, and don't write it down - the only secure place for your password is in your head. Towards Quality IT Literacy
  30. 30. USE GOOD PASSWORDS: Use Good Passwords. Do NOT allow a password to be blank or empty. Towards Quality IT Literacy
  31. 31. SCAN EVERY FILE DOWNLOADED FROM THE INTERNET BEFORE USING OR OPENING IT: Another way computers are infected is from files downloaded from the internet. If you scan every file every time immediately after it is downloaded, the risk of being infected is greatly reduced Towards Quality IT Literacy
  32. 32. BE WARY OF PUTTING YOUR DISK INTO OTHER COMPUTERS. If you use other computers such as a colleague’s computer, these computers may not be protected. Make sure you scan any disk that has been in another computer as soon as you insert it into your computer. Towards Quality IT Literacy
  33. 33. Towards Quality IT Literacy
  34. 34. SCAN YOUR HARD DISK REGULARLY FOR VIRUSES. Towards Quality IT Literacy
  35. 35. Get anti-virus software. Use it. Keep it up to date. Towards Quality IT Literacy
  36. 36. If you can't trust the source you're downloading from, you can't trust the file. Towards Quality IT Literacy
  37. 37. Don't leave a computer you're logged into unattended or unprotected. Towards Quality IT Literacy
  38. 38. 3. When considering what services should be running on your system, here are a few easy rules of thumb: If you don't know what it is or what it does, don't turn it on. In most every case, if you find out later that you need it, you can go back and turn it on. If it's on, and you don't need it, turn it off. If it's off, and you don't need it, don't turn it on. Towards Quality IT Literacy
  39. 39. Oath by kids: I will not give out any personal information online without my parents' permission. This includes my name, phone number, address, e- mail, location of my school, my parents' work address/ telephone numbers and credit card numbers, and my picture. This goes for anywhere on the Internet, including e-mail, chat rooms, newsgroups - even Web sites that promise me free stuff or prizes, or on Web pages that I make myself. Towards Quality IT Literacy
  40. 40. Oath by kids: When using the Internet, I will always use a pretend name or nickname that doesn't reveal whether I'm a boy or a girl. Towards Quality IT Literacy
  41. 41. Oath by kids: When creating a password, I will make one up that is hard to guess but easy for me to remember. To avoid having it stolen, I will never reveal it to anyone (except my parents) - not even my best friend. Towards Quality IT Literacy
  42. 42. Oath by kids: I will not respond to any message that makes me uncomfortable. I will show an adult right away. Towards Quality IT Literacy
  43. 43. Oath by kids: I will arrange to meet a friend I have made on the Internet ONLY if one of my parents has been informed and will be present. Towards Quality IT Literacy
  44. 44. Oath by kids: I will not send an insulting or rude message to anyone online. This is called quot;flamingquot; and it is not good Netiquette. Towards Quality IT Literacy
  45. 45. Oath by kids: I will not open e-mail, files, links, pictures or games from people that I don't know or trust. I will always ask an adult first. Towards Quality IT Literacy
  46. 46. What you need to worry about: Email frauds: Emails that cheat you of huge sums of money by offering fantastic overseas financial schemes and promising great returns nasty or obscene emails People hacking into your account People publishing your personal details (name, photograph, telephone numbers) on dating or pornographic sites without your consent Identity theft: When people steal your personal information Towards Quality IT Literacy
  47. 47. THINGS YOU NEED TO WORRY ABOUT: Social engineering: When people trick you into revealing your password Downloading files or attachments that may have Trojans (destructive programs that masquerade as benign applications) Clicking on links that can pick up your personal details. Losing money while shopping online Towards Quality IT Literacy
  48. 48. Precautions you can take: Email security: Be careful where you post/submit your email id on public forums. Share it only with known people. Do not download attachments or files received through emails sent by unknown persons. Towards Quality IT Literacy
  49. 49. At a cyber café: Never surf from a cyber café if you are keying in any sensitive data. The computer may have a program running in the background that is storing all your information. Be careful of inquisitive surfers around. Always logout of all your messengers and any mailbox you have open, before you leave. Towards Quality IT Literacy
  50. 50. At home: Most companies regularly release patches for security holes in their software products. Always keep your operating systems and software you regularly use (like browsers, instant messengers, email programs, media players) updated by downloading these patches. Never click on links that say, 'download software' unless you are absolutely sure of the content. Never click on pop-ups that say, 'Click here for more information' Towards Quality IT Literacy
  51. 51. Better safe than sorry If you stick to the above principle, you can avoid most of the online dangers. Towards Quality IT Literacy
  52. 52. • An Initiative by: – Dheeraj Mehrotra • • (TOWARDS QUALITY IT LITERACY FOR ALL) Towards Quality IT Literacy
  53. 53. • Read a BLOG on QUALITY IN EDUCATION: Visit: The Quality IT learning Portal for All Towards Quality IT Literacy