Acronyms (Page 14) Flashcards
RAID
Redundant Array of Inexpensive Disks
A technology that combines multiple disk drive components into a logical unit for data redundancy and performance improvement.
RAS
Remote Access Server
A server that provides a remote access service to users or client computers.
RAT
Remote Access Trojan
A malware program that includes a back door for administrative control over the target computer.
RBAC
Role-based Access Control
An approach to restricting system access to authorized users based on their role within an organization.
RBAC
Rule-based Access Control
A policy-neutral access control mechanism defined around roles and privileges.
RC4
Rivest Cipher version 4
A stream cipher that is simple and fast but has vulnerabilities and is considered insecure.
RDP
Remote Desktop Protocol
A proprietary protocol developed by Microsoft that provides a user with a graphical interface to connect to another computer over a network connection.
RFID
Radio Frequency Identifier
A technology that uses electromagnetic fields to automatically identify and track tags attached to objects.
RIPEMD
RACE Integrity Primitives Evaluation Message Digest
A family of cryptographic hash functions developed in Belgium.
ROI
Return on Investment
A measure used to evaluate the efficiency of an investment or compare the efficiency of a number of different investments.
RPO
Recovery Point Objective
The maximum acceptable amount of data loss measured in time.
RSA
Rivest, Shamir, & Adleman
One of the first public-key cryptosystems and is widely used for secure data transmission.
RTBH
Remotely Triggered Black Hole
A technique used to block denial-of-service attacks in IP networks.
RTO
Recovery Time Objective
The targeted duration of time and a service level within which a business process must be restored after a disaster or disruption.
RTOS
Real-time Operating System
An operating system intended to serve real-time application process data as it comes in, typically without buffering delays.
