Are More SCADA Systems Vulnerable to attacks?

In light on the very recent leak of Israeli SCADA information come’s also another story that’s unrelated but still about the Vulnerability of SCADA systems in general. pcmag’s Security Watch has published an article that has some very interesting details about a American SCADA System. during a workshop about the Security of SCADA Systems a lady from Network electric Company had apparently stood up and yelled that it would take 5years and 25million dollars to upgrade the security of the existing systems, which is really a worry if your the one that is reasonable for them. The workshop goes on to state that in 2011 there was at least 147 0-days for SCADA systems alone that had been discovered by Cornell researchers. more: securitywatch.pcmag.com