Defensive Security Handbook: Best Practices for Securing Infrastructure
Lee Brotherston & Amanda Berlin
Proxmox High Availability
Simon M. C. Cheng
Windows Internals, Part 2 (6th Edition) (Developer Reference)
Mark E. Russinovich
Windows Internals (2)
Advanced Penetration Testing for Highly-Secured Environments
Lee Allen
Expert C Programming: Deep C Secrets
Peter van Der Linden