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Cloud sandboxing

Cloud sandboxing definition

Cloud sandboxing is a security technique that isolates a potentially malicious code execution in a virtual environment, preventing it from interacting with the underlying system. It emulates an end-user operating environment, allowing unknown, suspicious, or unverified programs to run without risking damage to the host or network.

See also: network security protocols, end-to-end encryption, VPN gateway

Cloud sandboxing examples

  • Email security: Cloud sandboxing is often used in email security systems to open and examine suspicious attachments in an isolated environment before they reach the end user.
  • Malware analysis: Cybersecurity professionals utilize cloud sandboxing to execute malware in a controlled setting for analysis, learning about its behavior and functionality without endangering their systems.

Advantages and disadvantages of cloud sandboxing


  • Security: By isolating unverified applications or files, cloud sandboxing provides an additional layer of protection against malicious code.
  • Testing and analysis: Sandboxes allow security professionals to safely study malware to improve their understanding and develop countermeasures.


  • Performance: Depending on the sophistication of the sandboxing technique, system performance may be slightly impacted.
  • Not infallible: Some advanced malware can recognize when it is in a sandbox environment and alter its behavior to appear benign.

Using cloud sandboxing

  • Ensure you have robust hardware and system resources because running a cloud sandbox may have performance impacts.
  • Keep in mind that while cloud sandboxing is a potent tool, it does not replace a comprehensive security strategy that includes a variety of protective measures.