SecOp Blueprint — Bare-Metal Firewalls, Zero-Trust Architecture & Threat Mitigation

Container & Linux Hardening
Linux Capabilities: Dropping CAP_SYS_ADMIN Safely
We have all stood over the shoulder of a frantic...
Container & Linux Hardening
Immutable Linux Systems: Ostree vs OverlayFS SecOps
You know the feeling. That knot in your stomach when...
Zero-Trust & WireGuard
Tailscale Subnet Routers: Enterprise Mesh NAT Guide
You’ve been there. It’s 9:00 PM on a Tuesday, and...
SIEM, IDS/IPS & Threat Hunting
Wazuh Active Response: Automated SOC Threat Defense
Imagine it’s 3:15 AM on a Tuesday. Your phone buzzes...
Firewalls & OPNsense
OPNsense GeoIP Blocking: MaxMind Country Rule Setup
You’ve likely spent your Sunday afternoon staring at the OPNsense...
Container & Linux Hardening
Linux Seccomp BPF: Container Syscall Blocking Math
Grab a cup of coffee. Let’s talk about a silent...
Container & Linux Hardening
Linux Auditd Rules: CIS Benchmark Threat Detection
You’ve likely been there: it’s 2:00 AM, an alert triggers...
Zero-Trust & WireGuard
Authentik vs Keycloak: Self-Hosted OIDC SSO Guide
You’ve reached that point in your infrastructure journey where the...
SIEM, IDS/IPS & Threat Hunting
Zeek Network Security Monitor: Enterprise SOC Guide
If you have ever spent 3:00 AM digging through multi-terabyte...
Firewalls & OPNsense
WireGuard Site-to-Site on OPNsense: Routing & MTU
You’ve been there: the tunnel is "up," the handshake is...
Container & Linux Hardening
AppArmor vs SELinux: Container Security Benchmark
You’re standing in front of a whiteboard, or perhaps staring...
Container & Linux Hardening
Linux Kernel Hardening: Sysctl Parameters & SecOps
You’ve just provisioned a new production node. It’s clean, it’s...
Zero-Trust & WireGuard
Teleport vs Boundary: Zero-Trust Infrastructure SSH
You’ve been there. It’s 3:00 AM, and your security team...
SIEM, IDS/IPS & Threat Hunting
Wazuh vs Security Onion: Production SOC SIEM Guide
It usually happens around 2:00 AM on a Tuesday. Your...
Firewalls & OPNsense
OPNsense CARP High Availability: Multi-WAN Failover
It is 2:15 AM on a Sunday when a power...
Container & Linux Hardening
Linux Capabilities: Dropping CAP_SYS_ADMIN Safely
Linux Capabilities: Dropping CAP_SYS_ADMIN Safely
We have all stood over...
Container & Linux Hardening
Immutable Linux Systems: Ostree vs OverlayFS SecOps
Immutable Linux Systems: Ostree vs OverlayFS SecOps
You know the feeling. That...
Zero-Trust & WireGuard
Tailscale Subnet Routers: Enterprise Mesh NAT Guide
Tailscale Subnet Routers: Enterprise Mesh NAT Guide
You’ve been there. It’s 9:00...
SIEM, IDS/IPS & Threat Hunting
Wazuh Active Response: Automated SOC Threat Defense
Wazuh Active Response: Automated SOC Threat Defense
Imagine it’s 3:15 AM on...
Firewalls & OPNsense
OPNsense GeoIP Blocking: MaxMind Country Rule Setup
OPNsense GeoIP Blocking: MaxMind Country Rule Setup
You’ve likely spent your Sunday...
Container & Linux Hardening
Linux Seccomp BPF: Container Syscall Blocking Math
Linux Seccomp BPF: Container Syscall Blocking Math
Grab a cup of coffee....
Container & Linux Hardening
Linux Auditd Rules: CIS Benchmark Threat Detection
Linux Auditd Rules: CIS Benchmark Threat Detection
You’ve likely been there: it’s...
Zero-Trust & WireGuard
Authentik vs Keycloak: Self-Hosted OIDC SSO Guide
Authentik vs Keycloak: Self-Hosted OIDC SSO Guide
You’ve reached that point in...
SIEM, IDS/IPS & Threat Hunting
Zeek Network Security Monitor: Enterprise SOC Guide
Zeek Network Security Monitor: Enterprise SOC Guide
If you have ever spent...