Cyber security breaches are rare among investment advisory firms registered with U.S. Just 4 percent of advisers reported having a cyber security incident during the years in which they have been registered in their respective states, according to a study by the North American Securities Administrators Association (NASAA). Theft and unauthorized use of confidential data were problems for 1 percent of advisers, NASAA said. Also, fewer than half of the firms surveyed, or 44 percent, had policies, procedures and training in place related to cyber security.