GAO: Electrical Grid’s Distribution Systems More Vulnerable to cyberthreats. The Department of Energy needs to do more to protect this critical infrastructure, the GAO says. The GAO recommends that the Energy Department incorporate the grid’s distribution systems into its cybersecurity strategy that already includes the generation and transmission systems. The Energy Department agreed with the recommendation, the audit notes. A coordinated attack on distribution systems could cause outages in multiple areas even if it did not disrupt the bulk power system, it says.”]