1) The document discusses internet security and why it is important to protect personal information online from hackers. It outlines common security threats like phishing, pharming, and SQL injection that aim to steal sensitive data. 2) Hackers are classified as black hats, grey hats, or white hats based on their intentions and activities. The different phases of a hack are also explained. 3) To stay safe online, the document recommends using strong passwords, being wary of sharing personal details publicly, using antivirus software, keeping computers updated, and employing a firewall. Taking the right precautions can help people enjoy the internet safely.

1. VAISHNAVI KHANDELWAL
BC2018058
Internet Security
Staying safe online

2. Outline
Introduction.
Internet Security: What it is, and why we
need it.
Hackers: Who is he, Classes, Hacking
Phases.
Attacks exemples.
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 and processed when banking online.
But with all the good things the Internet offers us, it also
opens the door to serious, 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 isa 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
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10. 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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11. Attacks examples.
Pharmin g
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.
SQLinjection
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.
SQLinjection
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14. What should I do to be safe online ?.
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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
Firewall
WAN
LAN
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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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20. THANKYOU
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