Cybersecurity Concepts and Definitions

packet

• a part of a message sent digitally, numbered to make the message easier to reassemble at the destination

• a type of network protocol used for data transmission

• a physical container for storing data

• a software application for managing email communications

network

• A system of interconnected computers that can share resources and information.

• A type of software used for managing databases.

• A hardware device that connects multiple devices to the internet.

• A protocol for secure data transmission over the internet.

encryption

• putting a message into a secret code so that only authorized people can read it

• a method of compressing data to save space

• the process of converting data into a readable format

• a technique for speeding up data transmission

tradeoff

• giving up something in order to have something different

• an agreement between two parties to exchange goods

• the act of trading one item for another without any loss

• the process of negotiating terms in a business deal

CIA Triad

• Confidentiality + Integrity + Accessibility; the qualities to consider when sending a private encrypted message

• Confidentiality + Integrity + Availability; the qualities to consider when managing data security

• Confidentiality + Integrity + Authentication; the qualities to consider when verifying user identity

• Confidentiality + Integrity + Anonymity; the qualities to consider when ensuring user privacy

cybersecurity

• the practice of keeping digital information safe from attack and available to users

• a method of encrypting data to prevent unauthorized access

• a technique for improving internet speed and performance

• a strategy for managing physical security in data centers

decryption

• The process of converting plaintext into ciphertext.

• Taking a message that has been encrypted back to its original text so that it can be read.

• A method of securing data by scrambling it.

• The act of sending a message over a secure channel.

access point

• a way to interact with the internet (computer, phone, modem, etc.)

• a type of network security protocol

• a device used for data storage

• a method for increasing internet speed

ISP

• internet service provider; the company that you pay to provide internet to you

• Internet Security Protocol

• International Service Provider

• Internet Service Plan

router

• a device that connects multiple networks and directs data traffic between them

• a type of software used for managing network security

• a hardware component that amplifies signals in a network

• a device that passes along information to any paths it connects; digital traffic passes through and is directed and redirected by these as needed