Trick For Obtaining Password
Alright
password is a secret word that is use to protect a computer system are program.
It may consist of number alphabets or may the combination of both. The user
must have to type the password for computer access. Many security problems are
caused by poor use of passwords. A lot of password is easy to guess are
stealing. If a password are guessed are stolen then system administrators
cannot be certain whether the current user is authorized user or not.
Purpose of password:
The
purpose of the password is to protect data stored on a computer. It protects
data from being lost, misused or somehow deleted by any person. The system can
be accessed by a person who knows the password. Password can be changed on by
the authorized person. An unauthorized person cannot access a computer system
or program that is protected by a password. So the computer and the data stored
on it will be safe and protected.
Trick
for obtaining password:
Many
security problems are caused by unauthorized access to computer system. All
computer system use some type of authentication techniques like password to
protect the system from unauthorized access. Some techniques used to obtain the
passwords are as follows.
Password guessing: Computer system does not
understand the importance of choosing the secure and safe password. Some people
often use a password that is guessed easily. Such as the person’s name,
country name or God name some time city name is well. Some time use the
cartoonist character such as Tom and Jerry.
Packet Sniffers: A packet sniffer is program that
examines the traffic on a section of a network. The program examines the data
stream and retries the passwords credit card number and the other valuable
information.
Shoulder surfing: it is the method of obtaining the
password by standing near the user and observing the keystrokes as his
type the password.
Social engineering: it is the method of obtaining
password by posing to be network administrator and asking user for their
passwords. In this method a person falsely climes to a network
administrator. He he gets the password from user and misuses it for
unauthorized access to the system.
Super user status: Multi user operating system such
as UNIX and window NT provide system administrators with super user status. It
enable them to access and modify virtual any file on the network. If an
intruder obtains super users status he can obtain the passwords of every one
using the system.
Suggestion for using Password:
Password
can be used to protect any computer system. If user forget the password. Then
the computer system cannot be used. They following points must keep in mind for
using password effectively:
Password
should not be very easy and common words.
Password
should be combination of alphabets and numbers.
Password
should be given to anybody live in anywhere in the word.
Backup
of data:
Before
doing any type of action backup of data is very important for you. Backup of
data means keep a copy of data in another safe location. It can be stored in
secondary storage media that is called backup of data. The common data are zip
disk, magnetic tape, floppy disk, CD-ROM and hard disk etc.
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