An Advanced Persistent Threat (APT) is a prolonged and targeted cyberattack, typically orchestrated by well-funded and organized groups such as nation-states or cybercriminal organizations. APTs aim to gain unauthorized access to networks and remain undetected for extended periods, enabling attackers to steal sensitive data, monitor activities, or compromise critical infrastructure. These attacks use advanced techniques, including social engineering, zero-day vulnerabilities, and custom malware, to bypass security measures. The persistence and sophistication of APTs make them particularly dangerous, as they can adapt to defensive strategies and continuously evolve their tactics. Organizations targeted by APTs often include government agencies, financial institutions, and large enterprises.