Internet security

Mohamed MALKI

Internet Security Staying safe online

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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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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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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 is4

Request

-Identifies your computer

-Where it is located

carries with it unwanted hidden software- 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.

Response

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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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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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Hackers

Hacking Phases :

Reconnaissance ScanningGaining Access

Maintaining Access

Covering Tracks

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Attacks exemples.

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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Attacks exemples.

Phishing

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Attacks exemples.

Pharming

Is another technique used

to steal confidential

access code. It works by

redirecting users to a

rogue server

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Attacks exemples.

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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Attacks exemples.

SQL injection

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What should I do to be safe online ?.14

Keep you

passwords private

and create ones

too strong that are

hard to “crack”

What should I do to be safe online ?.

To protect your self

If you have received

an Email encounters,

you may have been

the target of a

common scam called

‘phishing’.

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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.

What should I do to be safe online ?.

To protect your self

If you make purchases

or do your banking

online, make sure you

protect your financial

information

Use ‘https://’

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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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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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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 right steps

to avoid them means you can enjoy the internet safely.

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Thank you for your attention !!!

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