Sandboxing — What is it?

Have you ever heard of sandboxing?  On occasion, we have used the term in various posts, and wanted to be sure our readers understood what it is.


As it relates to computer security, sandboxing is opening programs in a secure, isolated area.  This is typically done when a program is unknown, meaning it is uncertain if the program is safe or malicious.  These programs are “sandboxed”, in case they are malicious.  If they happen to be malicious, the infection can be contained without spreading to the user’s PC.

Many computer users do not utilize this security measure.  Many don’t need to, because their security solution does it for them.  The PC Matic malware research team sandboxes unknown files to be tested, therefore PC Matic customers do not need to do so.  However, if users would like to sandbox any files, a downloadable program can be found at

Hopefully, this helps users understand the term.  If you have any questions, please do not hesitate to drop a comment below.


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One thought on “Sandboxing — What is it?

  1. Sandboxing – OK you explained what it is. An explanation I have heard many times over the last 10 years or so.
    BUT always the “what it is” fails to answer very basic questions.
    1) How do you know if the material you sandbox is safe?
    2) How are you advised?
    3) Does the sandbox process check for trojans, pups, virus presence?
    4) Can you run a potentially unsafe program in the sandbox or will the sandboxing process stop all activity?

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