The NIST Cybersecurity Framework (CSF) 2.0
National Institute of Standards and Technology
CCNA 200-301 Official Cert Guide, Volume 2
Wendell Odom & Jason Gooley & David Hucaby
The Joy of Cryptography
Mike Rosulek
The Official (ISC)2 CCSP CBK Reference - 3rd Edition
Aaron Kraus
Island
Aldous Huxley