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- 1what is the definition of cyber-attacks?Attempts to compromise a system or obtain unauthorized digital data (hacking).
- 2what is the definition of hacking?unauthorized access to computer material.
- 3What is the definition of Phishing?sending a fake email or message pretending to be from a bank or organisation, which tricks users into trying to log on to a fake website, stealing the login details.
- 4What is the definition of malware?Malicious software, designed to cause harm.
- 5What is the definition of ransomware?malware that encrypts users files and demands a ransom to decry-pt them.
- 6What is the definition of botnet?a network of computers which contain malware allowing them to be controlled by a hacker.
- 7What is the definition of key logger?malware that records every key press and sends it to a hacker for analysis.
- 8What is the definition of cyber defences?Techniques and systems to reduce the impact of cyber attacks.
- 9What is the definition Security software?often called antivirus software even though it deals with more than just viruses, scans computers for known malware and removes it. Must be kept up to date with the latest malware definitions.
- 10What is the definition White-hat hacking?– hacking that is done with the authorization of the company being hacked. The hacker produces a report of all the vulnerabilities they found, so that the company can fix them
- 11What is the definition Grey-hat hacking?hacking done without the authorization of the company, but with good intentions, often the company will be informed of how the hacker was able to gain access
- 12What is the definition of Backups?keeping a copy of important data on a different system, so that it can be restored if the original is damaged
- 13What is the definition of Encryption?Altering data so that it can not be read by anyone other than the intended recipient
- 14What is the definition of Ciphera method of encrypting text
- 15What is the definition of Plain textthe unencrypted data
- 16What is the definition Cipher-textthe encrypted data
- 17What is the definition Keysome information needed to encrypt/decrypt the data
- 18What is the definition of Crackto read encrypted data without being given the key beforehand
- 19What is the defintion of Brute Forcecrack a cipher by trying every possible key until successful
- 20What is the definition of Statistical Attackcrack a cipher by using statistics and estimates of the most likely values
- 21what is the definition of Caesar Ciphera simple cipher, where each letter is shifted a number of places up the alphabet
- 22What is the defintion of Substitution Ciphera simple cipher where each letter is replaced by a different letter
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