Cybersecurity Concepts

Front

Internet Service Providers (ISP)

Back

Internet Service Providers (ISP) are organizations that provide many services for accessing and using the Internet.

Front

Physical Address

Back

The unique, burned-into read-only memory address of a network interface. This is also called the media access control address, or MAC address.

Front

Logical Address

Back

An address assigned by software and, as such, can be changed. It includes two parts, the network address and the host address.

Front

Modem

Back

Short for modulator/demodulator, a network device that converts digital signals used by modern networks to analog signals that are typically carried by telephone or cable television lines.

Front

Router

Back

A network device that moves traffic between two different IP networks.

Front

Switch

Back

A network device that moves traffic within an IP network.

Front

Firewall

Back

A network security device that protects a network by examining the traffic before transferring it to the network.

Front

Bluetooth

Back

A technology used to create wireless connections between computers and devices.

Front

Radio Frequency ID

(RFID)

Back

Radio Frequency ID, or RFID, a technology typically used for tracking objects. There are two types of RFID, passive (does not require power) and active (does require power). Passive RFID tags can be embedded in labels and sticker which is helpful for tracking objects.

Front

Near Field Communications (NFC)

Back

A technology that uses specially encoded tags that respond in a specific way when scanned by a radio frequency reader. NFC is often used by placing a smartphone near a scanner to pay for an item in a store.