BTEC DIT - C3 - Denial of Service (DoS DDoS) Attacks

What is a common external threat to systems and websites?

• Password theft

• Phishing scam

• Denial of Service attack

• Malware infection

How does a Denial of Service attack work?

• By impersonating legitimate users

• By encrypting files for ransom

• By stealing user data

• By flooding a server with malicious requests

What is the goal of a Denial of Service attack?

• To install malware on the server

• To overload the server so it stops working

• To steal sensitive information

• To gain unauthorized access

Who is considered a legitimate user in the example provided?

• The server

• The attacker

• Alice

• Mallory

What happens to legitimate users during a Denial of Service attack?

• They are granted unauthorized access

• They receive faster service

• Their information is stolen

• They may not receive any response from the server

What is a DDoS attack?

• Direct Denial of Service

• Distributed Denial of Service

• Dedicated Denial of Service

• Dynamic Denial of Service

How is a DDoS attack different from a DoS attack?

• It is easier to stop

• It targets only individual users

• It comes from multiple sources

• It is less powerful

What might a server do to mitigate a DoS attack?

• Block the requests from the attacker

• Request help from users

• Pay a ransom to the attacker

• Shut down the server

Why is a DDoS attack more effective than a DoS attack?

• It involves multiple computers, making it harder to stop

• It uses more sophisticated malware

• It involves a single, powerful computer

• It only targets weak servers

What is the consequence of a Denial of Service attack for a company?

• It improves the company's security

• It disrupts their operation and denies service to legitimate users

• It increases the company's revenue

• It has no significant impact