Cyber security is the body of technologies , processes and practices designed to protect networks , computers , programs and data from attack , damage or unauthorized access . In a computing context , security includes both cyber security and physical security .

2. Introduction :
 The term cyber security is used to refer to the
security offered through on-line 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.
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3. virus dissemination:
Malicious software that attaches itself to
other software. (virus, worms, Trojan Horse,
web jacking, e-mail bombing etc.)
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4. Needof cyber security:
 Cyber security is necessary since it helps in
securing data from threats such as data theft or
misuse, also safeguards your system from viruses.
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5. Major security problem:
 Virus
 Hacker
 Malware
 Trojan horses
 Password cracking
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6. Viruses & worms:
 A Virus is a “program that is loaded onto your
computer without your knowledge and runs
against your wishes
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7. solution:
 Install a security suite that protects the
computer against threats such as viruses and
worms.
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8. Malware:
 The word "malware" comes from the term
 "MALicious softWARE."
 Malware is any software that infects and damages a
computer system without the owner's knowledge or
permission.
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9. Hackers:
 In common a hacker is a person who
breaks into computers, usually by gaining
access to administrative controls.
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10. DEFINING CYBER CRIME:
Crime committed using a computer and the
internet to steal data or information.
Illegal imports.
Malicious programs.
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11. Types of Hackers:
 White Hat
Hacker
 Grey Hat Hacker
 Black Hat Hacker
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12. Hacking:
Hacking in simple terms means an illegal
intrusion into a computer system and/or network.
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13. 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
helps.
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14. Trojan Horses :
 Trojan horses are
email viruses that can
duplicate themselves,
steal information, or
harm the computer
system.
 These viruses are the
most serious threats
to computers
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15. PasswordCracking:
 Password attacks are attacks by hackers that are able
to determine passwords or find passwords to
different protected electronic areas and social
network sites.
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16. Securing Password:
 Use always Strong password.
 Never use same password for two different sites.
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17. CYBERATTACK:
A malicious attempt, using digital
technologies, to cause personal or property
loss or damage, and/or steal or alter
confidential personal or organisational
data.
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18. Scope of cyber security:
Techniques of threat and attack analysis
and mitigation
Protection and recovery technologies,
processes and procedures for individuals,
business and government
Policies, laws and regulation relevant to
the use of computers and the Internet
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19. Securing Password:
 Use always Strong password.
 Never use same password for two different sites.
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