Network Security threats Flashcards
what are the different types of network attacks
passive attack
active attack
insider attack
brute force attack
denial of service attack
what is a passive attack
where someone monitors data travelling on a network and interecepts sensitive information
what is an active attack
is when someone attacks a network with malware
what is an insider attack
when someone within an organisation exploits their access to steal information
what is a brute force attack
uses automated software and trial and error to try every combination and get access to sensitive information
what is a Denial of service attack
where a hacker floods a server with useless traffic and requests to cause the server to become extremely slow and crash
what is a way to prevent passive attacks
data encryption
what is a way to prevent active attacks
firewall/anti-malware
what is a way to prevent brute force attacks
locking accounts after a certain number of attempts
using strong passwords
what are some actions malware could do
delete or modify data
lock files for a ransom
monitor users
scareware
what are 4 examples of malware
virus
worms
trojans
spyware
ransomware
2 ways that people have weak points
- social engineering
- phishing
what is social engineering
tricking someone into revealing personal information
what is phishing
sending emails pretending to be reputable companies to get personal information
what is an SQL injection
typing a command into a form that is connected to a database to get it to reveal sensitive information
