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ODW 8.4
Our Digital World 8.4
| Term | Definition |
|---|---|
| symmetric encryption | A system of encrypting and decrypting data where in the sending and receiving computers each have a matching private key. |
| Intrusion Prevention System (IPS) | A robust form of anti-malware program that offers network administrators a set of tools for controlling access to the system and stopping attacks in progress. |
| anomaly based intrusion detection system | One type of intrusion prevention system that detects suspicious content or unexpected traffic using rules (heuristics) about normal system operation rather than patterns or signatures (as with antivirus software). |
| honeypot | As part of a corporate security strategy, a computer set up to be easily hacked into to help identify weaknesses in the system. |
| social engineer | A con artist who employs tactics to trick computer users into giving up valuable information. |
| biometrics | Technology that uses devices such as fingerprint readers or retinal scanners to identify a person by a unique physical characteristic. |
| spoofing | Attempting to gain valuable information via electronic communications by misleading a user as to your identity. |
| denial-of-service (DoS) attack | An attack against a corporate system that slows performance or brings a website down. |
| disaster recovery plan (DRP) | A formal set of policies and procedures that guides the preparation for a possible disaster and subsequent recovery of computer resources and information thereafter. |
| cold server | A spare server used to take over server functions. |
| warm server | A server activated periodically to get backup files from the main server. |
| hot server | A spare server that receives frequent updates and is available to take over if the server it mirrors fails. |
| failover | The process of redirecting users to a hot server. |
| surge protector | Protects an individual device from loss of data caused by a spike in power, such as might occur during a thunderstorm. |
| uninterruptible power supply (UPS) | A battery backup that provides a temporary power supply in case of a power failure. |
| cyberforensics | A field of study or career that involves extracting information from computer storage to be used as evidence in criminal investigations. May involve decrypting encrypted data, or finding residual data on a hard drive that somebody has tried to erase. |
| mobile forensics | The field of study or career that involves finding data saved or sent via a mobile device to use as evidence in criminal prosecutions. |
| decryption | The process of decoding an apparently random sequence of characters into meaningful text. It reverses the process of encryption and takes place as the final step in sending and receiving a secure communication. |
| digital rights management (DRM) | A set of technologies used by owners of digital content to control access to, and reproduction of, their material. It is used primarily to enforce copyright protection for digital content. |
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softcrylic
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