Although a brave new world of corporate sharing of cyber threat information is arising, there are still concerns about government involvement. CFO.com Editor in Chief Vincent Ryan interviews Deputy Editor David M. Katz about the challenges that companies face in using the Cybersecurity Information Sharing Act of 2015 to combat hackers, reduce network vulnerabilities, and detect malicious attacks. What kind of data will companies share with the Department of Homeland Security and each other? How will they avoid disclosing customers' personal data? And will the FBI's fight with Apple make companies averse to cooperate?