Network Security Threats Flashcards
What is a passive attack?
Where someone monitors data travelling on a network and intercepts it
What is an active attack?
When someone attacks the network with malware
What is an insider attack?
When someone within the network exploits their network access
What is a brute force attack?
Where an attack is attempted using trial and error, guessing
What is a denial-of-service attack?
Where a hacker tries to stop users from accessing a part of a network
What is malware?
Software that is installed on someone’s device without their knowledge
What does malware do?
scareware, rootkits, spyware, locking or deleting files
How can malware be installed on someones device?
Viruses, Worms, or trojans
What is social engineering?
A way of gaining sensitive information by influencing people
What does SQL stand for?
Structured Query Language
What are SQL injections?
Pieces of SQL typed into a website’s input box which then reveal sensitive information
What will a good network policy always look like?
Encrypt sensitive data, install anti-malware software, use strong passwords, Regular tests
What is penetration testing?
When organisations employ specialists to simulate attacks
What are network forensics?
Investigations undertaken to find the cause of an attack
What are user access levels?
Control over which parts of the network different groups of users can access
