Network attacks and malware

What does DDoS stand for?

• Denial of Service

• Distributed Denial of Service

• Dedicated Denial of Service

• Distributed Deny Source

In this type of network attack a hacker uses a botnet to bombard a web server to deny access to a website.

• DDoS

• Brute force

• Ethical hacking

• Virus

A botnet is a group of devices and computers infected with malware to be used in a DDoS network attack.

• True

• False

What is the best security solution against a DDoS network attack?

• Proxy server

• Firewall

• Antivirus

• Two-step verification

Answer explanation

A proxy server acts as a barrier between the client and the web server. It's the first line of defence.

A firewall is good against real-time hacking or unauthorised access.

This type of malware masks itself as a good program but is actually a bad program.

• Virus

• Worm

• Trojan

• Rootkit

This type of malware encrypts or locks your computer. You can only unlock your PC if you pay.

• Virus

• Adware

• Ransomware

• Worm

From the choices below, which one is the strongest password.

• Gl1der113!

• glider123

• Glider123

• gLider

Answer explanation

Best passwords are a combination of lower, upper case characters with special characters and numbers.

Which one is NOT an example of biometrics.

• Iris

• Fingerprint

• Facial

• Speech

Answer explanation

Speech is general speech, voice is our personal voice tones.

Fill in the missing word.

_____ ________ involves a perpetrator such as a hacker, using a program to break into an account or device by repeatedly inputting passwords until the correct one is found.

• DDoS

• Brute-force

• Backdoor

• Rootkit

Firewalls only monitor incoming network traffic.

• True

• False

Answer explanation

Firewalls monitor both incoming and outgoing network traffic.