Question 1

What is cryptography?

Accepted Answer

Cryptography is like a secret code that helps keep messages private. It turns information into a puzzle so only people with the right key can understand it.

Question 2

Why do we need cryptography?

Accepted Answer

We need cryptography to keep our messages, like emails and texts, safe from people who shouldn't see them. It's like locking a diary with a key.

Question 3

How does cryptography work?

Accepted Answer

Cryptography works by changing regular words into a secret code. Only someone with the right instructions, called a key, can change them back to the original words.

Question 4

What is a key in cryptography?

Accepted Answer

A key in cryptography is like a special password that helps unlock the secret code. It lets the right people read the information.

Question 5

What is information security?

Accepted Answer

Information security means keeping important data and information safe and protected. It's like having a guard for your computer files.

Question 6

Why is information security important?

Accepted Answer

It's important because it protects our computers from bad people who want to steal information. It keeps our private information, like passwords, safe.

Question 7

What are some ways to protect information?

Accepted Answer

We can protect information by using strong passwords, keeping our software updated, and not sharing personal information with strangers. It's similar to locking your house to keep it secure.

Question 8

What is a password?

Accepted Answer

A password is a secret word or phrase that only you know. It helps keep your online accounts secure like a lock on a treasure chest.

Question 9

What makes a good password?

Accepted Answer

A good password is long, with a mix of letters, numbers, and symbols. It’s like having a strong, complex lock that is hard to break.

Question 10

What is hacking?

Accepted Answer

Hacking is when someone tries to break into a computer or network without permission. It's like trying to sneak into a clubhouse that's locked.

Question 11

What is a virus in computer terms?

Accepted Answer

A virus is a bad program that can harm your computer. It's similar to catching a cold that makes you feel sick, but it's for computers.

Question 12

How can you prevent a computer virus?

Accepted Answer

You can prevent a computer virus by using antivirus software and not clicking on strange links. It's like washing your hands to avoid getting sick.

Question 13

What is an antivirus program?

Accepted Answer

An antivirus program is like a shield for your computer that fights off bad programs. It helps keep your computer safe and clean.

Question 14

What is phishing?

Accepted Answer

Phishing is a trick where someone pretends to be someone else to get your personal information. It's like a fishing hook trying to catch an unwary fish.

Question 15

How can you tell if an email is a phishing attempt?

Accepted Answer

You can tell if an email is phishing if it asks for personal info or has strange links. Always double-check who sent it, like looking at the name on a letter.

Question 16

What is a firewall?

Accepted Answer

A firewall is like a gatekeeper for your computer. It checks what's coming in and out, keeping bad stuff away, just like a moat around a castle.

Question 17

What is encryption?

Accepted Answer

Encryption is turning information into a secret code. It ensures only people who should read it have the key to unlock it, like putting a message in a safe.

Question 18

What is decryption?

Accepted Answer

Decryption is the process of changing the secret code back into regular information. It's like unlocking a hidden box with a key to see what's inside.

Question 19

What do we mean by 'secure communication'?

Accepted Answer

Secure communication means sending messages in a way that others can't read them. It's like whispering a secret to a friend so only they can hear.

Question 20

Why is it important to update software regularly?

Accepted Answer

Updating software is important because it fixes problems that could be used by bad people to break into your computer. It's like fixing cracks in a wall to make sure nothing gets through.

The Basics of Cryptography and Information Security - 20 FAQs Explained Simply