Security: Threats to networks and sites

Question 1

Brute force attacks

Answer 1

using trial and error to attempt to bypass password-based systems. Attacker tries various combinations until the correct one is found.

Question 2

DoS(Denial of Service)

Answer 2

Using an influx of requests to overflow a website, causing it to crash. Usually malicious, but can happen due to an influx of genuine users.

Question 3

Botnet

Answer 3

A network of infected systems, usually used in DDoS(Distributed Denial of Service) attacks to send as many requests as possible.

Question 4

Authentication

Answer 4

Making sure the user trying to use a system is the right person.