What characterizes an Advanced Persistent Threat (APT)?

An Advanced Persistent Threat (APT) is characterized by an extended, undetected intrusion with intentions to steal data. This term refers to a prolonged and targeted cyberattack that often involves sophisticated techniques and strategies to gain access to a network over an extended period. The hallmark of an APT is its stealthy approach, allowing attackers to remain undetected while they gather intelligence, compromise sensitive information, and potentially exfiltrate data slowly over time.

APTs usually target high-value information, such as national security data or sensitive corporate information, and employ various tactics to maintain persistence within the network. Unlike a one-time data breach or a transient network intrusion, which are more immediate and less calculated, an APT reflects a deliberate, ongoing effort to infiltrate and access data without drawing attention. This makes recognizing and mitigating APTs a significant challenge for cybersecurity professionals.