1.4.1 Threats To computer Systerm and Network Flashcards
Describe what Virus and what how does it spread? ( 2 marker )
(1 mark) Virus is a virus is a type of malware that spreads by attaching itself to other programs. (1 mark) Virus needs human interaction to spread ( ex files, email )
Describe what a worm is and why it doesn’t need a human interaction to hack ( 2 marker )
(1 mark ) Worms can spread from device to device. Unlike a virus, they don’t need to attach themselves to other programs. ( 1 mark)
What is a malware (1 mark )
(1 mark) Malware programs that try to do something unwanted to your computer
What does BFA stands for and Describe what BFA is (2 marker)
(1 mark) Brute force attack . Brute force attack is basic attack where you essentially try to crack a password by trying
every combination of letters and symbols (1 mark)
What is SQL (1 mark)
(Structured query language) - allow database develops interrogate the data held in database (1mark)
What is SQL injection
A injection is a web security vulnerability that allows the attacker to interface.
Name 3 factors that can affect the performing levels ( 3 marker )
- Interface(1 mark)
- Bandwidth(1 mark)
- type of distance(1 mark)
Name a advantage and disadvantage of wireless connection (2 mark)
(1 mark) adv// Portable (1) dis//less secure
What is firewall? (1 mark)
Firewalls are used to check data packets as they are sent to or received(1 mark)
What does the term Phishing mean?
(1 marker)
Trying to trick someone into giving out information over email is called ‘phishing’(1 mark)
What is data interception and how does it happen? (2 marker)
(1mark) Where data is intercepted during transmission.(1mark) This is done using software called a packet sniffer, which examines data packets as they are sent around a network.
Why is wireless more insecure?(1marker)
allows anyone to join without a password. (1mark)
Why is not using common words and short password not a good idea? (1 marker)
Can be hacked/cracked easily by using BRT or Dictionary attack
What is dictionary attack?(1 marker)
A dictionary attack behaves in the same way but uses a list of words instead.(1mark)
