COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK SECURITY AND CYBERSECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A person who uses computer expertise to gain unauthorized access to a computer, and then misuses or tampers the programs and data stored on the computer.
A
hacker
B
encrypt
C
firewall
D
programmer
Explanation: 

Detailed explanation-1: -A hacker is an individual who uses computer, networking or other skills to overcome a technical problem. The term also may refer to anyone who uses their abilities to gain unauthorized access to systems or networks in order to commit crimes.

Detailed explanation-2: -A firewall is software or firmware that prevents unauthorized access to a network.

Detailed explanation-3: -Spyware is a type of program that is installed with or without your permission on your personal computers to collect information about users, their computer or browsing habits tracks each and everything that you do without your knowledge and send it to remote user.

Detailed explanation-4: -Definition: The conversion of encrypted data into its original form is called Decryption. It is generally a reverse process of encryption. It decodes the encrypted information so that an authorized user can only decrypt the data because decryption requires a secret key or password.

Detailed explanation-5: -Cybersecurity refers to the protection of hardware, software and data from unauthorized access.

There is 1 question to complete.