Computer security aims to protect data and systems from unauthorized access, modification, or destruction, ensuring confidentiality, integrity, and availability.

Social engineering is a technique used to manipulate people into divulging confidential information or performing actions that compromise security, rather than a type of cyberattack.

A firewall serves as a barrier between a network and the internet, protecting against unauthorized access, detecting and blocking malicious software, and monitoring network traffic for suspicious activity.

Encryption involves converting data into a form that cannot be easily understood without a key, ensuring the confidentiality of data during transmission.

Authentication is the process of verifying the identity of a user or system, typically through the use of passwords, biometrics, or other methods.

A worm is a type of malware that can replicate itself and spread from one computer to another without the need for human interaction.

Authorization is the process of granting or denying access to specific resources based on a user's identity or role.

Identity theft is a type of cybercrime involving the unauthorized access, use, or disclosure of personal or sensitive information, often with the intent to impersonate the victim.

Risk assessment is the process of identifying, evaluating, and prioritizing security risks to determine the likelihood and impact of potential threats.

A denial-of-service attack involves flooding a target system with excessive traffic to disrupt its normal operation, making it unavailable to legitimate users.

Network security involves creating and maintaining a secure network architecture to protect against unauthorized access, intrusion, and other threats.

Hacking involves the unauthorized access and control of a computer system, often with the intent to steal data, disrupt operations, or gain unauthorized privileges.

Data security involves protecting data from unauthorized access, use, or disclosure, ensuring its confidentiality, integrity, and availability.

Ransomware is a type of cybercrime involving the use of malicious software to encrypt files and demand a ransom payment for their release.

Cybersecurity involves developing and implementing security measures to protect against cyber threats, including unauthorized access, data breaches, and cyberattacks.