Cybersecurity of Voting Machines

Hearing Date: November 29, 2017 2:00 pm 2154 Rayburn HOB


  • To assess the current state of cybersecurity of vote tabulation machines. 
  • To identify actions states, the Administration, and Congress can take to ensure voting machines are secure prior to the 2018 midterm elections.


  • In September 2016, prior to the 2016 elections, the IT Subcommittee held a hearing entitled “Cybersecurity of Voting Machines”
  • In January 2017, Department of Homeland Security (DHS) Secretary Jeh Johnson designated election infrastructure as “critical infrastructure” with the intent of offering assistance to state and local election officials. 
  • On September 22, 2017, DHS notified 21 states of Russian government hackers’ attempt to breach state systems during the 2016 election. Two weeks later, DHS announced the creation of an election security task force to enhance coordination with state and local election officials.
  • On September 8, 2017, the Commonwealth of Virginia’s election supervisors directed counties to end the use of touchscreen voting machines before November’s elections, citing the devices posed unacceptable digital risks. 

Witnesses and testimonies

Name Title Organization Panel Document
The Honorable Christopher C. Krebs Senior Official Performing the Duties of the Under Secretary National Protection & Programs Directorate Department of Homeland Security Document
The Honorable Tom Schedler Secretary of State of Louisiana Document
The Honorable Edgardo Cort├ęs Commissioner Virginia Department of Elections Document
Dr. Matthew Blaze, Ph.D. Associate Professor, Computer and Information Science University of Pennsylvania Document
Ms. Susan Klein Hennessey Fellow in National Security Law, Governance Studies Brookings Institution Document

Related Documents

Name Document
Chairman Will Hurd Opening Statement Document