This document discusses cyber security and the need for it. It defines cyber as relating to information technology, the internet, and virtual reality. Cyber security is necessary to protect data from theft or misuse and safeguard systems from viruses. Some major security problems include viruses, hackers, malware, Trojan horses, and password cracking. It provides examples of each problem and recommends solutions like using antivirus software, firewalls, strong and unique passwords, and security suites.

2. INTRODUCTION
 The term cyber security is to refer to the security
offered through online services to protect your online
information.
 With an increasing amount of people getting
connected to internet, the security threats that cause
massive harm are increasing also.

3. TO UNDERSTAND
What is the meaning
of the word “CYBER”?
What is the need of
cyber security?
What are the security
problems in cyber
fields?
Howto implement &
maintainsecurityof a cyber
field around us?

4. Meaning of the word CYBER:-
 It is a combining from relating to
information technology, the internet &
virtual reality.

5. Needs of CYBER SECURITY
 Cyber security is necessary since it helps
in security data from threats such as data
theft or misuse also safegaurds your system
from viruses.

6. Major Security Problems
VIRUS
HACKER
MALWARE
TROJAN HORSES
PASSWORD-CRAKING

7. VIRUS & WORMS
 A virus is a “program that is loaded onto
your computer without your knowledge and
runs against your wishes”.

8. Solution:-
 Install a security suite that protects the
computer against threats such as viruses and
worms.

10. HACKERS
 In common words Hacker is a person who breaks
into computer , usually by gaining access to
administrative controls.

11. Types of HACKERS:-
 White Hat Hackers
Black Hat Hackers
 Grey Hat Hackers

12. How to prevent Hacking????
 It may be impossible to prevent computer
hacking, however effective security controls including
strong passwords and the use of firewalls can help.

13. MALWARE
 The word “Malware” comes from the term “Mallicious
Software”.
 Malware is any software that infects and damage a
computer system without the owner’s knowledge or
permission.

14. To stop Malware:-
 Download an anti-
malware programs that
also helps to prevent
infections.
 Activate network
threat protection,firewall
& antivirus.

15. TROJAN HORSES
 Trojan Horses are E-
mail viruses that can
duplicate themselves ,
steal information or harm
the computer system.
 These viruses are the
most serious threats to
computer.

16. How to avoid Trojans??
 Security suits such
as Avast , Internet
security will prevent
you from downloading
trojan horses.

17. PASSWORD CRACKING
 Password attacks are attacks by hackers that are
able to determine passwords or find passwords to
diffrents protected electronic areas and social network
sites.

18. Securing Passwords:-
 Use always strong password.
 Never use same passwords for two different
sites.

21. REFERENCES:-
http://www.avtest.org/
http://www.billmullins.blogspot.com/
http://www.digit/forum.com
http://www.antivirusnews.com/