DevSecOps
Controls Without Context Don't Work Container security programs lose effectiveness when controls are implemented without connecting them to specific attack outcomes. Running a container as root increases the impact of a container escape. Non-root execution reduces what an attacker can do with that foothold. The control only
DevSecOps
The Detection Gap: Transparency Matters Commercial endpoint detection and response (EDR) tools are black boxes. You buy a binary, run it with elevated privileges, and trust it works. You don't know what rules it's actually using. You don't know if detections are accurate or
DevSecOps
Most dependency scanners are good at one thing: handing you a wall of CVE IDs and walking away. You get the what's broken. What you almost never get is the what do I run to fix it — the part you actually have to figure out yourself at 11pm
DevSecOps
The Problem: A Single Key, Zero Alerts An attacker gains access to your system. They add a public key to an existing account. No alerts fire. No failed authentication attempts appear in logs. No brute-force signatures. The SSH daemon sees a trusted credential and grants access. That key now
DevSecOps
The Cloud MITM Problem: It's Not Just the Network Edge A man-in-the-middle attack positions an attacker between two communicating parties to intercept, read, or modify data without detection. In traditional networks, that meant Wi-Fi eavesdropping or LAN-level attacks. In modern cloud environments, the
DevSecOps
Linux powers the internet. Cloud platforms, databases, APIs, web services, containers, and internal infrastructure all run Linux. That ubiquity makes it an enormous target. But the reason so many Linux servers get compromised isn't because Linux is inherently broken. It's because once a system is deployed,
DevSecOps
fail2ban works, but it scales badly. Every banned IP becomes a discrete iptables -A rule, and at a few thousand entries the rule chain becomes the bottleneck — every packet walks a linear list. nftables sets fix this with O(1) lookup, native timeouts, and atomic updates. No daemon required for
DevSecOps
Most sysadmins reach for AppArmor or SELinux when they want to confine a service. Both work, both have learning curves, and both expect either pre-shipped policies or substantial custom-rule writing. Meanwhile, systemd has shipped — for years — a sandboxing toolkit that gets you most of the protection with maybe
DevSecOps
Digital Certificates and the Chain of Trust When a browser opens an HTTPS connection, the server hands over a public key. Before a single byte of encrypted application data flows, the client has to answer one question: is this public key actually trustworthy? The mechanism that answers it — X.509
DevSecOps
OS: CloudLinux 9 Panel: cPanel/WHM Method: TOTP via pam_google_authenticator Supports: Key + TOTP and Password + TOTP simultaneously Table of Contents * Prerequisites * Installation * PAM Configuration * SSH Daemon Configuration * User Enrollment * Sharing a Secret (Shared Root Setup) * Authentication Flow Reference * Offboarding a Team Member * Troubleshooting * Reverting Everything Prerequisites * Root access