Not if it's well-architected. Lua's sandboxes (using setf) allow pretty tight isolation of code. http://lua-users.org/wiki/SandBoxes http://lua-users.org/wiki/

Not if it's well-architected. Lua's sandboxes (using setf) allow pretty tight isolation of code. http://lua-users.org/wiki/SandBoxes http://lua-users.org/wiki/SandBoxes There's a slide titled security in Marc Balmer's talk, but I didn't get where he was headed.