Flashcards
Security Revision
Cards in this deck (16)
- 1HackingUnauthorized access or modification from inside or outside of the company
- 2PhishingAn email is sent apparently from a bank claiming the user needs to log in to fix a problem. The email contains a link to a fake site that looks like the real bank site.
- 3Technical BreakdownA damaged server or broken hard disk can result in loss of data
- 4InterceptionDigital communication can be intercepted as it travels through the Internet, leading to competitors getting hold of data.
- 5Physical TheftComputers or hard disks can be stolen, compromising the data that they contain.
- 6Discarded ComponentsOld laptops or hard disks can still contain valuable data, which can be found by competitors if the equipment is not properly disposed of.
- 7Access LevelsUser's are only permitted the data required for their job
Users can be given read access or read/write access.
This reduces the number of users able to access data, reducing the chance
of it being stolen or damaged accidentally - 8Encryption TechniquesData can be encrypted so that only those with the correct key can view it.
XOR encryption (Vernam Cipher) is an uncrackable encryption. - 9VirusesMalware that is able to copy itself into other programs.
Spreads by piggybacking on another program, known as a ‘vector’. - 10AntiVirusSoftware that searches and detects viruses and them removes them from the system.
- 11FireWallsshould be used to prevent viruses from transmitting data or receiving instructions
- 12Two-factor authenticationcan reduce the chance of a hacker gaining entry by requiring two forms of authentication instead of one
- 13Access levelsshould be used to ensure that users can’t access data they don’t need on the network
- 14Passwordsshould be used to verify each user of the network
- 15CookiesCookies are small pieces of code that websites can store on a user’s computer. Can be a security risk as they often contain personal information that can be read and sold.
- 16Disaster Recovery PolicyA policy covering how the company prepares for disaster and aim to recover as fast as possible.
Information
- Description
- GCSE Computing Flashcards on Security Revision, created by Nathan Cryer on 23/04/2019.
- Created by
- Nathan Cryer
- Views
- 0
- Rating