This was my textbook for my cybersecurity class and never before have I ever learned so much from a class or textbook. It's technical yet extremely understandable. The best cybersecurity methods are the simplest ones, the ones that make sense. ITGCs are covered, though they don't call them that. If you read this book thoroughly and studied you could pass the CISSP cert and be in fantastic shape. That's my plan. I have this eBook too if you want to PM me your email, as the book is rather expensive. This is known as the "Bible" for the CISSP exam.
Edit: CISSP All-in-One Exam Guide, Seventh Edition https://www.amazon.com/dp/0071849270/ref=cm_sw_r_cp_api_MljtzbZ9CJ7ZV
Hi Roboman,
If your current position falls within the realm of the Security+ Cert, go after it. If you are hungry to gain knowledge in this field, I recommend https://www.amazon.com/CISSP-All-One-Guide-Seventh/dp/0071849270. You will crush the Security+ exam and the CISSP exam if you engulf this material. If you want a good career in IT Sec, this will help you tremendously. Happy Holidays!
These two subjects are very well explained by the CISSP All in One (created by Shon Harris)
newest version is 7th
probably the majority is the same but i wouldnt chance it