- Juliette Kayyem: Terrorism is not the biggest threat facing Americans on Election Day
- It's the process of voting, which is vulnerable to hacking and other activity, she says
Juliette Kayyem is the author of the best-selling "Security Mom: An Unclassified Guide to Protecting Our Homeland and Your Home." She is a professor at Harvard's Kennedy School, a former assistant secretary of homeland security in the Obama administration and founder of Kayyem Solutions, a security consulting firm. Kayyem is a Hillary Clinton supporter and advises the campaign on homeland security issues. The opinions expressed in this commentary are her own.