(Modified:
2026-06-29)
— Written by
SimeonOnSecurity— 3 min read
Master security for the CompTIA A+ 220-1202 Core 2 exam. Learn physical and logical security, Windows security settings, wireless protocols, malware, social engineering, and hardening.
(Modified:
2026-06-29)
— Written by
SimeonOnSecurity— 6 min read
Master Linux security for the CompTIA Linux+ XK0-005 exam. Learn permissions, special bits, ACLs, sudo, PAM, SSH hardening, SELinux, AppArmor, firewalls, auditing, OpenSSL, and gpg with real examples.
(Modified:
2026-06-29)
— Written by
SimeonOnSecurity— 8 min read
This comprehensive guide provides step-by-step instructions on how to optimize, harden, and debloat your Windows system for improved performance, security, and privacy.
(Modified:
2026-06-29)
— Written by
SimeonOnSecurity— 1 min read
Learn how to enhance Windows 10 security with a PowerShell script that hardens Windows Defender Antivirus, implementing all the requirements of the Windows Defender Antivirus STIG V2R1.