a$.)$ As a cybersecurity consultant and cryptanalyst in the field assigned to a special tasked force, you have been asked to decrypt the cyphertext within the shortest possible time in order to determine the next course of action.

IKCPPU IXSXX@ XLC$3$CI S$9$XKDO LATEEX HXOCXX

KEY: $243165$

$[10$ Marks$]$

b$.)$ Take this scenario of an employee who received a call: "Hello Jerryl This is Tom from the IT department. Spike $($the director$)$ told me to ask you to send me the layout$/$blueprint of the computer network topology of this organization, in order to carry$-$out a remote routine security maintenance right now, and fix the bugs right away. Your absolute corporation is highly need."

i$.)$ What type of threat is this?

$[3$ Marks$]$

ii$.)$ Explain the threat as stated above $($b i$.).$

$[3$ Marks$]$

iii.$)$ How will you prevent your employees from falling victims of such threats?

$[4$ Marks$]$