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. In this tutorial, we will take you through the various concepts
of Ethical Hacking and explain how you can use them in a real-time environment.
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.
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.
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.
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.
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
·
To break policy
compliance
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