Question: The character portrayed in "Giuliani Time" is a real-life informal adviser to the White House in which area?
Sentence (from "Rudy Giuliani"): Rudolph William Louis Giuliani {'1': ", '2': ", '3': ", '4': "} ( ; born May 28, 1944) is an American lawyer, businessman, public speaker, former mayor of New York City, and an informal adviser on cybersecurity to the White House.
Relevant evidence: Yes