A Virtual Private Network (VPN) is a technology that creates a tunnel between your device and a VPN server. This tunnel encrypts your internet traffic, ensuring privacy, integrity, and security even when using untrusted networks (e.g. public Wi-Fi).

Access control defines who (user, system, process) can access what (data, system, resource), when, and how. It's enforced via a combination of hardware, software, and administrative policies to protect confidentiality, integrity, and availability (CIA Triad) of resources.

Classical ciphers are encryption techniques used historically to conceal information by transforming plaintext into ciphertext using a set of well-defined rules. They are typically symmetric key ciphers, meaning the same key is used for both encryption and decryption. While no longer secure by modern standards, they are foundational to...

Cryptology is the science that deals with secure communication, ensuring data remains confidential, authentic, and unaltered. It is divided into two major branches:

A hacker is an individual who uses their computer programming and technical skills to gain unauthorized access to computer systems, networks, and data. The term "hacker" can have different connotations depending on the context in which it is used. Here are a few common interpretations:

Cybersecurity and a country's Gross Domestic Product (GDP) are interconnected in several ways. The relationship between cybersecurity and GDP can be both positive and negative, depending on various factors:

The CIA Triad is a fundamental concept in information security that represents three core principles for securing information and data within an organization. The CIA Triad stands for:

A phishing attack is a type of cyberattack in which the attacker tries to trick individuals into revealing sensitive information such as usernames, passwords, credit card numbers, or other personal information. Phishing attacks are typically carried out through fraudulent emails, websites, or other forms of communication that appear to be from a...

Cyberspace and cybersecurity are two interconnected concepts that are essential in our increasingly digital and interconnected world.

Malware, short for malicious software, encompasses a broad range of software programs and code created with the intent to harm, steal data, or gain unauthorized access to computer systems. There are various types of malware, each designed for specific purposes. Here are some common types of malware: