2.1.5 Threats to data

Multiple Select

This is an example of accidental damage. Tick 2.

• Deliberatly deleting files

• Leaving a laptop on the train

• A natural disaster

• installing a virus

Fill in the Blank

A computer program designed to copy itself repeatedly and attaches itself to other computer programs is called a

Multiple Choice

Repeatedly trying combinations of characters in usernames and passwords in order to gain access to a computer system

• Social engineering

• DOS

• Brute force attack

• Phishing

Multiple Choice

Repeatedly sending traffic to a network to authenticate a request

• Social engineering

• DOS

• Brute force attack

• Phishing

Multiple Choice

Manipulation of people into revealing personal data

• Social engineering

• DOS

• Brute force attack

• Phishing

Fill in the Blank

Systems can be protected by:

1. Encryption

2.

3. Antivirus software

4. Hierarchical access levels

Multiple Choice

What type of encryption is Caesar Cipher?

• Symmetrical

• Asymmetric

Poll

An advantage of asymmetric encryption is that it is more secure as each user has their own key.

• True

• False

Poll

An advantage of symmetric encryption is that it is simple and quick to decrypt.

• True

• False

Multiple Choice

With symmetric encryption, the encryption and decryption key are the same

• True

• False