The closed-source model is essentially security through obscurity, which has been rightfully and thoroughly debunked as a legitimate practice. The right solutio

The closed-source model is essentially security through obscurity, which has been rightfully and thoroughly debunked as a legitimate practice. The right solution is to use the right tools for the job - which is often open source, but that doesn't mean using it blindly and not taking responsibility for it, and actively keeping up to date with exploits and patches.