Explain the difference between vandalism and sabotage.

$[3$ marks$]$

What are the various layers of security that organizations have to put in place to ensure total safety and security?

$[6$ marks$]$

PART B

Answer Any $4$ Questions From This Section

Using the RSA algorithm, perform an encryption and decryption of:

a$)$ Message $M=28$ using prime numbers $p=11$ and $q=3$

$[7$ marks$]$

b$)$ Message $M=21$ using prime numbers $p=13$ and $q=11$

$[8$ marks$]$

Using "RUBEN AGBOVOR" as the keyword in the application of Playfair cipher, perform an encryption of the following plaintext $-$ THIS SEMESTER IS A VERY WONDERFUL SEMESTER INDEED AND IT HAS ENDED VERY WELL.

$[10$ marks$]$

b$.$ Perform a Column Matrix transpose on the plaintext I HAVE DECIDED TO REACH OUT TO SOME PEOPLE TO HELP using the Key $516243$

$[5$ marks$]$

Explain the following Attacks that can occur in an organization

i$)$ Hoaxes

ii$)$ Spoofing

iii$)$ Mail Bombing

iv$)$ Social Engineering

$[4$ marks$]$

b$)$ Explain the Following threats that affect organizations

i$)$ Compromise to Intellectual Property

ii$)$ Deliberate Software Attacks

iii$)$ Espionage$/$Trespass

iv$)$ Sabotage$/$Vandalism

v$)$ Missing$/$Inadequate$/$Incomplete Organizational Controls

vi$)$ Forces of Nature

vii$)$ Technological Obsolescence

$[7$ marks$]$

c$)$ Differentiate the following

i$)$ White Hat Hacker