a ppt on internet security which includes various topics from class 10 textbooks and NCERT syllabus. It is a very nice and detailed ppt

2.  OUTLINE
 Introduction.
 Internet Security: What it is, and why we need it.
 Hackers: Who is he, Classes, Hacking Phases.
 Attacks examples
 What should I do to be safe online ?
 Conclusion
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3.  INTRODUCTION:
 While the internet offers enormous advantages and opportunities, it also presents
various security risks.
 It’s where we access our banking records, credit card statements, tax returns and other
highly sensitive personal information.
 Banks take extensive steps to protect the information transmitted andprocessed
when banking online.
 But with all the good things the Internet offers us, it also opens the door toserious,
potentially devastating threats.
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4.  Generally, Internet security include browser security, the security of data
entered through a Web form, and overall authentication and protection of data
sent via Internet Protocol.
 We must secure our computers with technology in the same way that we
secure the doors to our offices  Security
 We must act in ways that protect us against the risks and threats that come with
Internet use  Safety
 INTERNET SECURITY: WHAT IT
IS
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5. - Installed in your computer.
- watches and records everything
you do online.
- leaving your passwords.
- and other personal and
sensitive information vulnerable
The criminals use in accessing :
• your private information.
• stealing your identity or your money.
• It can also be used to highjack your
computer for illegal purposes.
 INTERNET SECURITY:
 WHY YOU NEED IT.
-Identifies your computer
-Where it is located
Request
Response
carries with it unwanted hidden software
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6.  HACKERS:
 WHO IS A HACKER ?
Intelligent individuals
with excellent
computer skills with
the ability to create
and explore
computer’s software
and Hardware
For some
hackers,hacking is a
hobby to see how
many computers they
can compromise
Their intention can either be to gain
knowledge or to poke around to do
illegal things
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7.  Hackers
 Hacker Classes :
Black Hats Grey Hats White Hats
Individuals with
extraordinary computing
skills, Restoring to malicious
or destructive activities and
also known as Crackers
Individuals professing
hacker skills and using
them for defensive
purposes and are also
known as Security
Analysts
Individuals who work
both offensively and
defensively at various
times
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8.  HACKERS
 Hacking Phases :
Reconnaissance Scanning
Gaining
Access
Maintaining
Access
Covering
Tracks
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9.  ATTACKS EXAMPLES
 Phishing
“Phishing is the attempt to acquire sensitive
information such as usernames, passwords,
and credit card details (and sometimes,
indirectly, money) by masquerading as a trustworthy
entity in an electronic communication.”
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10.  Attacks examples
 Phishing
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11.  ATTACKS EXAMPLES
 Pharming
 Is another technique used
to steal confidential
access code. It works by
redirecting users to a
rogue server
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12.  ATTACKS EXAMPLES
 SQL injection
 SQL injection is a technique
used to take advantage of non
validated input vulnerabilities
to pass SQL commands
through a web application for
execution by a backend
database
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13.  Attacks examples
 SQL injection
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15.  WHAT SHOULD I DO TO BE SAFE ONLINE ?
 To protect your self
 Keep you passwords private
and create ones too strong that
are hard to “crack”
 If you have received an Email
encounters, you may have been
the target of a common scam
called ‘phishing’.
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16.  WHAT SHOULD I DO TO BE SAFE ONLINE
?
 To protect your self
 Be wary of publishing any
information that identifies
you, such as your phone
number, photos of your
home, your address, date
of birth or full name.
 If you make purchases
or do your banking
online, make sure you
protect your financial
information
 Use ‘https://’
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17.  WHAT SHOULD I DO TO BE SAFE ONLINE
?
 To protect your Computer
 Use Anti-virus
Software: Anti-virus
software can detect
and destroy computer
viruses before they
cause damage
 Use Anti-spyware
Software: Use anti-spyware
software so unknown
people cannot lurk on
your computer and
potentially
 steal your information
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18.  WHAT SHOULD I DO TO BE SAFE ONLINE ?
 To protect your Computer
 Keep Your Computer
Updated.
 Install all security updates as
soon as they are available
Automatic updates provide the
best protection.
 Use a Firewall:
 It is a placed at the gateway
between the two networks
which is usually a private
Network and a public network
such as the internet
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19.  CONCLUSION
 Whenever using internet or an online financial system, ensure that your
system is still under your control and not a spoofed puppet.
 Protecting your self from internet threats.
 Being aware of the dangers of the internet and taking the rightsteps to
avoid them means you can enjoy the internet safely.
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