Beginners To Advance Ethical Hacking Tutorial- Overview 2

Beginners To Advance Ethical Hacking Tutorial- Overview 2

 
Hacking has been a part
of computing for almost five decades and it is a very broad discipline, which
covers a wide range of topics. The first known event of hacking had taken place
in 1960 at MIT and at the same time, the term “Hacker” was
originated. 
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Hacking is the act of
finding the possible entry points that exist in a computer system or a computer
network and finally entering into them. Hacking is usually done to gain
unauthorized access to a computer system or a computer network, either to harm
the systems or to steal sensitive information available on the computer. 
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Hacking is usually legal
as long as it is being done to find weaknesses in a computer or network system
for testing purpose. This sort of hacking is what we call Ethical
Hacking
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A computer expert who
does the act of hacking is called a “Hacker”. Hackers are those who
seek knowledge, to understand how systems operate, how they are designed, and
then attempt to play with these systems. 
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Types of Hacking

We can segregate hacking
into different categories, based on what is being hacked. Here is a set of
examples −
·
Website Hacking −
Hacking a website means taking unauthorized control over a web server and its
associated software such as databases and other interfaces.
·
Network Hacking −
Hacking a network means gathering information about a network by using tools
like Telnet, NS lookup, Ping, Tracert, Netstat, etc. with the intent to harm
the network system and hamper its operation.

·
Email Hacking −
It includes getting unauthorized access on an Email account and using it
without taking the consent of its owner.
·
Ethical Hacking −
Ethical hacking involves finding weaknesses in a computer or network system for
testing purpose and finally getting them fixed.
·
Password Hacking −
This is the process of recovering secret passwords from data that has been
stored in or transmitted by a computer system.
·
Computer Hacking −
This is the process of stealing computer ID and password by applying hacking
methods and getting unauthorized access to a computer system.

Advantages of Hacking

Hacking is quite useful
in the following scenarios −
·
To recover lost information, especially in case you lost your
password.
·
To perform penetration testing to strengthen computer and network
security.
·
To put adequate preventative measures in place to prevent security
breaches.

·
To have a computer system that prevents malicious hackers from
gaining access.

Disadvantages of
Hacking

Hacking is quite
dangerous if it is done with harmful intent. It can cause −
·
Massive security breach.
·
Unauthorized system access on private information.
·
Privacy violation.
·
Hampering system operation.
·
Denial of service attacks.
·
Malicious attack on the system.

Purpose of Hacking

There could be various
positive and negative intentions behind performing hacking activities. Here is
a list of some probable reasons why people indulge in hacking activities −
·
Just for fun
·
Show-off

·
Steal important information
·
Damaging the system
·
Hampering privacy
·
Money extortion
·
System security testing