See this paper for some recent research on the subject: http://www.software-lab.org/publications/usenixSec2020-WebAssembly.pdf http://www.software-lab.org/publi

See this paper for some recent research on the subject: http://www.software-lab.org/publications/usenixSec2020-WebAssembly.pdf http://www.software-lab.org/publications/usenixSec2020-WebAs... You can probably use wasm to build a very comprehensive secure sandbox but right now it's actually somewhat of a regression when you care about making an application secure. Your OS is safe, at least, as long as you don't let the app make any syscalls.