Network Security Flashcards
(7 cards)
What are the two types of penetration testing?
Internal: hacker has information about the company (white box)
External: hacker has no information about the company (black box)
What is ethical hacking?
It is done by professional hackers hired by the company to find flaws in their security system.
It can include penetration testing, phishing or impersonation.
What is access control?
Authentication: verifying the identity of the user when logging into the system
Authorization: verifying what the user can do in the system
What is a firewall used for?
A piece of software, hardware or both. It scans all data going to and from a network and act as a barrier between the computer and the outside world.
What is physical security?
Stopping people from accessing data physically e.g stopping a person trying to break in and steal data.
Piggybacking: pretending to be someone who is authorised. (forgetting ID card at home)
Tailgating: taking advantage of a vulnerability in the system. (asking someone to hold the door for you)
What is encryption?
Turning plain text into something unreadable. Ensures data stays private and only the person with the right “key” is able to translate the data back to readable form.
What is Mac Address Filtering?
Every device has a unique Mac address so network managers can create whitelists which is a list with specific devices allowed to connect to the network.
