Identify one possible effect of a DOS, You can't access the network / site and the website is slow, What is a Denial of Service attack, When the server is flooded with requests that make it crash, What is phishing, An email sent to a people purporting to come from a genuine organisation asking them to click on a link, What are two clues that will help you recognise that you are being phished, It may contain SpaG andnot be addressed to you personally, What is the purpose of phishing, Ro obtain personal / financial information and install spyware, Explain how SQL injections work, Malicious code enterd into a website form to modify the SQL statement when executed resulting in access to the data., Explain how SQL injections can be prevented, Validation on user input- Checks that is does not contain SQL statements, Explain what is meant by a brute force attack, Using trial and error to crack a password, Identify 2 steps that can be taken to protect against a brute force attack, Limit amount of attempts tried on a password and use strong passwords, What external hazard does a firewall software protect a computer from, Hackers, What is encryption , Scrambling plain text so that it can not be read or understood without the key, What is social engineering, People being tricked into breaking security protocols, What is a trojan horse, Malicious software disguised as something useful, What is spyware, Piece of software that records actions and sends this data to a third party, How do you prevent a trojan horse, Running anti-malware software and not clicking on unknown sources, How do you prevent spyware, Running anti-spyware or installing a firewall, What is interception/ passive attack, When data is intercepted by a third party, How do you prevent interception, Encryption, What is hacking and how do you prevent it, Unauthorised access to a system. Firewall, strong passwords and biometrics can help prevent it, How can you prevent social engineering , Strong passwords, access rights and checking the validity of the source., What is pharming, A piece of code that directs you to fake website, How do you prevent pharming , Anti-malware and firewall.

Network Security

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