I would think all serious clients would want to review the source code of any security critical software that they intend to use. However, there could be some a

I would think all serious clients would want to review the source code of any security critical software that they intend to use. However, there could be some argument that allowing only selected clients (Russia) to review the source, while denying the larger security community access to source, does pose a risk. Of course Symantec does not, surely, intend to imply that its code should be published.