Flashcards
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Cards in this deck (22)
- 1Cyber attacksAttempts to compromise a system or obtain unauthorized digital data (hacking)
- 2Hackingunauthorized access to computer material
- 3Phishingsending 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
- 4MalwareMalicious software, designed to cause harm
- 5Ransomwaremalware that encrypts users files and demands a ransom to decrypt them
- 6Botneta network of computers which contain malware allowing them to be controlled by a hacker
- 7Key loggermalware that records every keypress and sends it to a hacker for analysis
- 8Cyber defensesTechniques and systems to reduce the impact of cyber attacks
- 9Security softwareoften 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
- 10White-hat hackinghacking 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
- 11Grey-hat hackinghacking 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
- 12Backupskeeping a copy of important data on a different system, so that it can be restored if the original is damaged
- 13EncryptionAltering data so that it can not be read by anyone other than the intended recipient
- 14Ciphera method of encrypting text
- 15Plaintextthe unencrypted data
- 16Ciphertextthe encrypted data
- 17Keysome information needed to encrypt/decrypt the data
- 18Crackto read encrypted data without being given the key beforehand
- 19Brute Forcecrack a cipher by trying every possible key until successful
- 20Statistical Attackcrack a cipher by using statistics and estimates of the most likely values
- 21Caesar Ciphera simple cipher, where each letter is shifted a number of places up the alphabet
- 22Substitution Ciphera simple cipher where each letter is replaced by a different letter
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- Flashcards on Untitled, created by Charlotte Chandler on 15/03/2021.
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- Charlotte Chandler
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