Trump may have legitimate reasons to question stuff regarding irresponsible reports in the media. Debugging “news” from the “Left” is likely to be as troublesome as our past experience with stuff from the “Right”
According to CSO Online which provides news, analysis and research on a broad range of security and risk management topics,
This event was poorly timed, managed, and quickly spun out of control with the help of media sensationalism and lack of media cyber-savvy.
They reported in Grizzlygate - U.S. Government evidence falls short in blame on Russian hackers on January 04, 2017
In their Joint Analysis Report (JAR), the DNI, FBI, and DHS they named a large number of common hacker tools in use by individuals and groups worldwide. Most of the tools (Neutrino, PAS tool web kit, for example) and techniques (phishing, web page spoofing to harvest credentials) are not unique to the Russian APT 28 and APT 29 actors who conducted the GRIZZLY STEPPE intrusions.
Even worse the JAR opens with the following statement: “This report is provided “as is” for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service referenced in this advisory or otherwise."
Nevertheless, this lack of warranty did not dissuade The Washington Post on Dec. 30, 2016, post the headline and its accompanying story: “Russian hackers penetrated U.S. electricity grid through a utility in Vermont, U.S. officials say.”emails).