Among the oldest, and traditionally the most common form of ransomware, crypto ransomware works by finding valuable files on a system and applying encryption to them so they become unusable.

The Crypto24 ransomware group is a little-known and emerging threat actor that started claiming victims in 2025, operating as part of the expanding landscape of smaller ransomware operations. Public information about Crypto24 remains limited. Crypto24 employs data encryption and extortion tactics, with some campaigns indicating elements of double extortion, ⟶

Cryptography is the science and practice of securing communication and data through the use of mathematical algorithms and protocols. Its primary goal is to protect information from unauthorized access, ensuring confidentiality, integrity, authentication, and non-repudiation in digital communications and transactions. Cryptography has a long history, dating back thousands of ⟶

Cryptojacking is a type of cybercrime that involves a hacker co-opting a victim’s computing power to generate cryptocurrency on the attacker’s behalf. The motive for these types of attacks is profit, which is usually extremely effective as it is completely hidden from users and difficult to detect. Hackers use ⟶

A cyber incident is a cybersecurity event that has compromised an organization's data or systems or that has bypassed the security measures put in place.

A cyberattack is any attempt by cybercriminals to access a computer, computing system or computing network with the intent to steal, expose, alter, disable or destroy information.

Cyberespionage (preferred) or cyber espionage refers to malicious software used to extract trade secrets or sensitive confidential information from corporations or government for harm (financial, strategic, political) or profit.

Cybersecurity is the practise of protecting critical systems and sensitive information from cyberattacks through the application of technologies, processes and controls.

Cyberwarfare refers to the use of digital attacks, typically by nation-states or state-sponsored groups, to disrupt, damage, or destroy critical infrastructure, steal sensitive information, or influence political or military outcomes. Unlike traditional warfare, which typically involves physical conflict between armed forces, cyberwarfare involves the use of computer networks and ⟶

A security incident during which confidential data or sensitive information is stolen or taken from a system, without the knowledge or authorization of the system’s owners, by either malicious insiders or external attackers.

Data integrity refers to the accuracy, completeness, consistency and validity of data over its lifecycle. In the context of cybersecurity, data integrity is crucial for ensuring that data remains unaltered, uncorrupted, and trustworthy, whether it is being processed by software applications, transmitted over a network, or stored in a ⟶