  Cyber Security plays an important role in the field of information technology
.Securing the information have become one of the biggest challenges in the
present day. When ever we think about the cyber security the first thing that
comes to our mind is cyber crimes which are increasing immensely day by day.
Various Governments and companies are taking many measures in order to prevent
these cyber crimes. Besides various measures cyber security is still a very big
concern to many. This paper mainly focuses on challenges faced by cyber
security on the latest technologies .It also focuses on latest about the cyber
security techniques, ethics and the trends changing the face of cyber security.

Cryptography and Security;Computers and Society