TRYHACKME.COM’s Advent of Christmas 3!
TryHackMe launches Advent of Cyber – set to attract over 30,000 participants! TRYHACKME.COM’s Advent of Chrismas 3! All exercises in Advent of Cyber follow a fun Christmas story. This year,…
What is Data at Rest?
What is data at rest? Data at rest is data that has reached a destination and is not being accessed or used. It typically refers to stored data and excludes…
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…
Justice Dept. Brings New Charges in Ransomware Attacks – The New York Times
Some News in Recent Ransomware Attacks The Justice Department said on Monday that it had brought charges against a Russian National whom it accused of conducting ransomware attacks against American…
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…
Diffie-Hellman key exchange (exponential key exchange)
What is Diffie-Hellman key exchange (exponential key exchange)? Diffie-Hellman key exchange is a digital encryption method that securely exchanges cryptographic keys between two parties over a public channel without transmitting…
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…
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…
THE PENTAGON’S ARMY OF NERDS
Why the military needs Silicon Valley, now more than ever The pentagon is not the most inviting place for first-time visitors, and it was no different for Chris Lynch. When…