31801369
Description
Flashcards by Chloe Burton, updated more than 1 year ago
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Created by Chloe Burton
almost 3 years ago
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| Question | Answer |
| phishing | 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 |
| hat hackers | White-hat hacking – hacking that is done with the authorisation of the company being hacked. The hacker produces a report of all the vulnerabilities they found, so that the company can fix them. Grey-hat hacking – hacking done without the authorisation of the company, but with good intentions, often the company will be informed of how the hacker was able to gain access |
| viruses and software | 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. Backups – keeping a copy of important data on a different system, so that it can be restored if the original is damaged |
| antivirus | Encryption is the process of making data unreadable to anyone other than the intended recipient Plain text is encrypted using a key to produce cipher text |
| encryption | Cracking encryption is decrypting it without the key Encryption can be cracked using brute force or statistical attacks Brute force is trying every possible key until you get lucky Statistical attack is using estimates and knowledge about the message to make educated guesses Modern encryption is computationally secure – it can not be cracked in a reasonable time using current equipment |
| name 2 methods of decryption | brute force statistical attack |
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