2024
NardoneScarioni - Pro Spring Security 3rd ed
    https://libgen.gs/edition.php?id=147012970
    ! ? 300p, so-so
Nasslahsen - Spring Security 4th ed
    https://github.com/PacktPublishing/Spring-Security-Fourth-Edition
    ! need
2023
Spilca - Spring Security in Action 2nd ed
    92D0CE1BCDE9D39E5036351366EAE683
2020
Spilca - Spring Security in Action
    0774C860C43474D328096BDE5DD6233E
2018
John - Hands-On Spring Security 5 for Reactive Applications
    https://github.com/lynx-r/Hands-On-Spring-Security-5-for-Reactive-Applications
2017
Knutson - Spring Security 3rd ed
2016
Nachimuthu - 2016 - Spring Security Essentials