Definition
Malware (malicious software) is any software intentionally designed to cause damage to a computer, server, client, or network. Common types include viruses, worms, trojans, ransomware, spyware, adware, and rootkits.
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Related Terms
Ransomware
Ransomware is a type of malware that encrypts a victim's files or locks them out of their systems, then demands a ransom payment in exchange for the decryption key. Modern ransomware often includes double extortion, where attackers also threaten to leak stolen data.
Phishing
Phishing is a social engineering attack where cybercriminals send fraudulent communications, typically emails, that appear to come from a trusted source. The goal is to trick recipients into revealing sensitive information, clicking malicious links, or downloading malware.
Endpoint Detection and Response
Endpoint Detection and Response (EDR) is a cybersecurity solution that continuously monitors and collects data from endpoints (laptops, desktops, servers, mobile devices) to detect, investigate, and respond to cyber threats in real time.
Advanced Persistent Threat
An Advanced Persistent Threat (APT) is a prolonged, targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period. APTs typically target high-value organizations to steal data rather than cause immediate damage.
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