Homeland Security official Michael Brody

Homeland Security official Michael Brody, left, led a discussion Tuesday at his alma mater, the Illinois Mathematics and Science Academy. Cybersecurity professionals Eric Brelsford, Rafael Diaz and Laura Kunard also participated.

( Gary Gibula, Special to the Tribune )

Homeland Security official Michael Brody, left, led a discussion Tuesday at his alma mater, the Illinois Mathematics and Science Academy. Cybersecurity professionals Eric Brelsford, Rafael Diaz and Laura Kunard also participated.

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