Cyber-security protections deployed for some of the nation’s most secret data was “woefully lax,” according to a 2017 intelligence brief that detailed cyber-security shortcomings at the Central Intelligence Agency (CIA) following the largest-ever data breach at the agency in 2016.

The redacted brief and accompanying letter from Sen. Ron Wyden (D-Ore.), released Tuesday, laid bare a culture at the CIA’s Center for Cyber Intelligence (CCI) that “prioritized building cyber weapons at the expense of securing their own systems.”

Aaron Nicodemus is the Editor-in-Chief of Compliance Week. He previously worked as a reporter for Bloomberg Law and as business editor at the Telegram & Gazette in Worcester, Mass. Email: aaron.nicodemus@complianceweek.com LinkedIn:...