Perfect security? No such thing

Story highlights

  • Juliette Kayyem: Perfect security is simply not attainable
  • Numerous potential threats face major sporting events

Juliette Kayyem, a CNN national security analyst, is a professor at Harvard's Kennedy School of Government, a former assistant secretary in the U.S. Homeland Security department and founder of Kayyem Solutions, a security consulting firm. The opinions expressed in this commentary are hers.

(CNN)I know how to have a perfectly safe Super Bowl -- don't have a Super Bowl. Because the reality is that perfect security is simply not attainable. But refusing to hold major sporting events is not -- nor should it be -- an option. So what