What is Data in Motion?
What is data in motion? Data in motion, also referred to as data in transit or in flight, is a process in which digital information is transported between locations within…
DEFINITION – Plaintext
What is plaintext? In cryptography, the plaintext is usually ordinary readable text before it is encrypted into ciphertext or readable text after decryption. Data input to or output from encryption…
What is a Network Node?
What is a computer network, and where do network nodes fit? A computer network is a computer and computing device system connected via communication links. These links allow the computers…
DEFINITION – cipher
In cryptology, the discipline concerned with the study of cryptographic algorithms, a cipher is an algorithm for encrypting and decrypting data. Symmetric key encryption, also called secret key encryption, depends…
Definition – Ciphertext
Ciphertext is encrypted text transformed from plaintext using an encryption algorithm. Ciphertext can’t be read until it has been converted into plaintext (decrypted) with a key. The decryption cipher is…
POP3 (Post Office Protocol 3)
What is POP3 (Post Office Protocol 3)? Post Office Protocol 3, or POP3, is the most commonly used protocol for receiving email over the Internet. This standard protocol, which most…
Transmission Control Protocol (TCP)
Transmission Control Protocol (TCP) is a standard that defines how to establish and maintain a network conversation by which applications can exchange data. TCP works with the Internet Protocol (IP),…
What is end-to-end encryption & how does it work?
Over the past few years, the vulnerability of social networks like Facebook or messaging apps like Chat has given rise to using end-to-end encrypted platforms to protect communications. Today, platforms…
What is a firewall? How network firewalls work
A firewall sits between a network and the Internet, controlling data flow in and out of the network to stop potential security threats. What is a firewall? A firewall is…