Does sandbox really works?
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Sand boxing is an important security technique that isolates programs, preventing malicious or malfunctioning programs from damaging or snooping on the rest of your computer.
yes it really works for new websites.
Sandboxing is frequently used to test unverified programs that may contain a virus or other malicious code, without allowing the software
The Info World Test Center showed a year earlier that such sandbox technology didn't really work, at least not then.
Yes. sandbox is deadly. it will affect your website badly.