September 10, 2015: Clinton’s computer technician refuses to testify to Congressional investigators.

Bryan Pagliano (Credit: Bloomberg News / Getty Images)

Bryan Pagliano (Credit: Bloomberg News / Getty Images)

Clinton’s former private server manager Bryan Pagliano invokes his Fifth Amendment rights and refuses to speak in a private meeting before the House Benghazi Committee. (The Wall Street Journal, 9/30/2015)  His unwillingness to cooperate was first reported on September 2, 2015. (The New York Times, 9/2/2015)

Pagliano begins secretly cooperating with the FBI investigation of Clinton’s emails in the fall of 2015, though it’s not clear if it is before or after this meeting. He describes how he set up the private server in Clinton’s house and gives the FBI the server’s security logs. (The New York Times, 3/3/2016)

March 3, 2016: The FBI has the computer security logs from Clinton’s private email server, and they allegedly show no evidence of foreign hacking.

Morgan Wright (Credit: Gov Tech)

Morgan Wright (Credit: Gov Tech)

The logs were given to the FBI by Bryan Pagliano, a Clinton aide who is cooperating with the FBI and who managed Clinton’s server during the time she was secretary of state. However, sophisticated hacking attempts sometimes leave no evidence in the security logs. (The New York Times, 3/3/2016) 

Additionally, cybersecurity expert Morgan Wright will later suggest the server may not have had an adequate detection system. “If you have a bank and you have one video camera when you need 20, then you missed it. If they weren’t capturing all the activity, their security logs may say they didn’t see anything.” (Fox News, 5/7/2016) 

In May 2016, it will emerge that there were hacking attempts on the server during the time Pagliano was managing it, for instance in January 2011. It’s not clear why these attacks didn’t appear on the server logs or why previous media reports of the logs were incorrect. (US Department of State, 5/25/2016) 

Also, it appears there were hacking attempts on the server after June 2013, when Pagliano was no longer involved, but when all of Clinton’s emails were still on the server. (The Associated Press, 10/7/2015)