For Computer Security

1. SURF SMART
P R E PA R E D BY
M U H A M M A D Y O U N U S

2. TOPIC WILL BE COVERED
• Internet Security
• Malware
• PC Security

3. INTERNET SECURITY
Difference between Browsing and Surfing:
• Browsing means searching for something specific.
• Surfing means randomly searching for something.

4. INTERNET SECURITY
BROWSING SURFING

5. WHICH ONE IS BETTER ?
BROWSING

6. INTERNET SECURITY
ADD EXTENSION PROBLEM ?

7. INTERNET SECURITY
ADS PROBLEM

8. INTERNET SECURITY

12. PHISHING AND EMAIL SCAMS
• Phishing is the attempt to obtain sensitive information such as
usernames, passwords, and credit card details (and, indirectly, money),
often for malicious reasons, by disguising as a trustworthy entity in an
electronic communication.
• Email Scams The intended victim is often told their name or email
address was selected through a random computer ballot and
by a marketing company. In order to claim their so-called winnings, the
victim is asked to provide their bank account details and other
information. The victim is asked to contact the claims agent or award

13. INTERNET SECURITY

14. MALWARE
“Software which is specifically designed to disrupt,
damage, or gain authorized access to a computer system”.
• Types of Malware;
1. Virus: A Piece Of Code Which Is Capable Of Corrupting The System Or
Or Destroying Data.
2. Worm: Utilize Networks To Send Copies Of The Original Code To
Other Computers By Sending Documents Via Email.
3. Trojan: Which Misleads Users Of Its True Intent.

15. VIRUS
VIRUS

16. WORM
WORM

17. TROJAN
TROJAN

18. ANTI-VIRUS
“ D E S I G N E D TO D E T E C T A N D D E S T R O Y C O M P U T E R
V I R U S E S ”.
I M P O R TA N T F O R A N T I - V I R U S
1 ) D E F I N I T I O N
2 ) U P D AT E

19. VIRUS VS ANTI-VIRUS
VIRUS DEFINITION ANTI-VIRUS DEFINITION

20. VIRUS VS ANTI-VIRUS
VIRUS DEFINITION (UPDATED) ANTI-VIRUS DEFINITION

21. VIRUS VS ANTI-VIRUS
VIRUS DEFINITION (UPDATED)
ANTI-VIRUS DEFINITION
(UPDATED)

22. PC SECURITY
• Two Layer of Protection;
1. Inside Layer
2. Outside Layer
• Source of Malware;
1. USB or Disk.
2. Internet Downloads.

23. OUTSIDE LAYER
Firewall
Protect a system from unauthorized access with a
firewall.

24. OUTSIDE LAYER
Password:
A secret series of characters that enables a user to access.

25. INSIDE LAYER
Folder/Drive Lock:
Password protect folders prevent access to files.

27. INSIDE LAYER
Key logger
It is the act of tracking every keystroke entry made on a computer.

29. SOURCE OF MALWARE
• Universal Serial Bus.

30. SOURCE OF MALWARE
• Internet Downloads.

31. THANK YOU
A N Y Q U E S T I O N S ? ? ?