By 2021, 3.5 million cybersecurity jobs will go unfilled, according to Cybersecurity Ventures. Public data from U.S. agencies such as the BLS, Census Bureau and IRS can help hiring managers pinpoint new tech talent pools by county, city or state. HR leaders can use public data to find states and cities with a surplus of specific cyber talent that may be going unnoticed. The data can be cross-referenced to zero in on the best pool of job candidates, experts say.”]