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Remote Access Trojan

Definition

A Remote Access Trojan, or RAT, is a type of malicious software that grants an unauthorized attacker remote control over a compromised computer system. Once installed, a RAT allows the attacker to perform various actions, including accessing files, monitoring user activity, capturing screenshots, recording keystrokes, and deploying additional malware. It often masquerades as legitimate software to deceive users into installation. RATs are powerful tools for surveillance and data theft.