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Covert Channel

A communication channel used by attackers to bypass security controls and transmit data.

Understanding Covert Channels


Covert channels disguise malicious activity within legitimate system operations.


Types of Covert Channels

  • Storage Covert Channels – Hide data in metadata, logs, and file timestamps.

  • Timing Covert Channels – Encode messages by manipulating CPU or network delays.

Best Practices for Prevention


  • Anomaly Detection Systems – Identify unusual network behavior.

  • Protocol Restrictions – Limit unnecessary data transfers.

Future of Covert Channel Exploitation


  • AI-Driven Detection Systems – Machine learning will help identify covert traffic.

  • Blockchain-Based Covert Channels – Attackers may use blockchain transactions for secret communication.

  • Advanced Steganography in Cyber Attacks – Data hiding in multimedia and network protocols will evolve.

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