Term 1 System Security Flashcards
Where does the word malware come from?
It is made from the words MALicious and softWARE (malicious means intending to do harm)
What is phishing?
Sending bogus emails to get users to enter their personal data
What is a brute force attack?
A trial and error way to get information such as a password
What is an SQL injection
Putting code into a web-form to get access to the database
What is adware?
Software that shows you lots of adverts
What is a virus?
A piece of code which copies itself and often harms the system or destroys data
What is packet sniffing?
Intercepting data travelling across networks
What is a DOS attack?
A Denial of Service attack or DOS attack is where a server is flooded with traffic to prevent it working properly
How can you prevent a brute force attack?
Lockout policies - lock you out after 3 attempts, longer and stronger passwords, staff training and reCAPTCHA tools prevent brute force attacks
How can you prevent phishing attacks?
disabling pop-ups, staff training and strong security software can all help prevent phishing attacks
How can you prevent a Denial of Service (DOS) attack?
A good network policy and monitoring network traffic, a strong firewall and packet filtering on your router can all help prevent a DOS attack.
How can you prevent data interception and theft?
Staff training, encryption of data, staff training and network forensics can all help prevent data interception and theft.
What is a dictionary attack?
It is a form of brute force attack using all the words in a list.
What is a Trojan?
Named after the Trojan Horse it is a container designed to deliver software that allows unauthorised access to a network.
Which law made hacking illegal?
The 1990 Computer Misuse Act
