#security

48 tutorials tagged with "security"

USN-8955-1 Fixes 5 Nginx CVEs. 24.04 Stays on 1.24.0.

USN-8955-1 patches five Nginx security flaws across Ubuntu releases. Here is how to audit configs, apply package updates, and verify server stability.

troubleshooting

CVE-2026-53362: How to Patch the IPv6 Kernel Flaw

CISA added CVE-2026-53362 to KEV after real-world exploits. Check your kernel, patch or livepatch, and mitigate IPv6 exposure on Linux servers.

linux

Zapscape (CVE-2026-64561): The KVM Vulnerability That Lets Attackers Escape Your VM

A critical KVM vulnerability allows attackers to break out of virtual machines and take control of the host. Here's what it is, who's affected, and how to fix it.

#security

USN-8955-1 Fixes 5 Nginx CVEs. 24.04 Stays on 1.24.0.

CVE-2026-53362: How to Patch the IPv6 Kernel Flaw

Zapscape (CVE-2026-64561): The KVM Vulnerability That Lets Attackers Escape Your VM

Linux User and Group Management: A Complete Server Administration Guide

Docker Build Secrets: How to Stop Leaking Credentials Into Your Image Layers

Your CI/CD Pipeline Is the Next Target: Lessons from the TeamPCP Supply Chain Attack

How to Set Up nftables as Your Linux Firewall in 2026

Nginx Security Hardening: A Complete Guide for Production Servers

Linux Copy Fail Vulnerability: CVE-2026-31431 Explained and How to Patch

Docker Security Hardening: 9 Steps to Lock Down Production Containers

Automating Linux Server Hardening with CIS Benchmarks: Stop Doing This Manually

Microsoft Defender for Endpoint on Linux Just Started Silently Disabling Itself — Here's How to Check Yours

Docker Hardened Images: What They Are and Why Your Production Containers Need Them

SleeperGem Attack Hid Malware in Dormant RubyGems Packages for Years Before Striking Developer Machines

NGINX CVE-2026-42533: A Critical 9.2-Severity Flaw Affects Every Version Since 2011 — Here's How to Fix It

CVE-2026-20896: The Gitea Docker Flaw That Takes One Header to Own Your Server

CISA Didn't Have an Incident Response Playbook When Its Own AWS Keys Leaked. Here's What Every DevOps Team Should Learn.

Critical Gitea Docker Vulnerability (CVE-2026-20896): Patch Your Self-Hosted Git Server Now

GhostLock CVE-2026-43499: 15-Year-Old Linux Root Exploit

Argo CD Vulnerability Shows Why GitOps Infrastructure Must Be Treated as Tier Zero

DirtyClone (CVE-2026-43503): What Linux Admins Need to Know and How to Mitigate Right Now

Critical libssh2 Flaw (CVE-2026-55200): How to Check If Your Servers Are Affected and Patch Immediately

PinTheft CVE-2026-43494: Linux Kernel Privilege Escalation — What Server Admins Must Know

Linux Kernel Drops strncpy After Six Years: What Server Admins Need to Know

How to Check if Your Linux Server Is Affected by the PAM Backdoor Discovered in 2026

Docker Multi-Stage Builds: The Complete Production Optimization Guide

Securing Your CI/CD Pipeline: A Practical Guide to GitHub Actions Secrets Management in 2026

7 Docker Security Best Practices You Should Implement Before Your Next Deployment

Linux Kernel 7.1 Is Here: What Server Administrators Need to Know

OpenSSL CVE-2026-45447: Critical PKCS#7 Vulnerability and Server Patch Guide

Securing the AI-Powered DevOps Pipeline: A Practical Guide for 2026

systemd Service Hardening: Sandboxing with ProtectSystem, PrivateTmp, and CapabilityBoundingSet

File Integrity Monitoring with AIDE: Detect Unauthorized Changes on Linux Servers

Docker Secrets Management: Securing Sensitive Data in Swarm and Compose

Automated Linux Security Auditing with Lynis: Full System Scan and Remediation

OpenVPN vs WireGuard: Choosing the Right VPN Server for Your Infrastructure

Docker Rootless Mode: Running Containers Without Root Privileges for Better Security

SSH Certificate-Based Authentication: Moving Beyond Key Pairs for Enterprise Scale

Advanced Fail2ban Configuration: Custom Jails, Filters, and Actions

Linux Auditd Monitoring: Track Every System Call for Security Compliance

Configuring Nginx Rate Limiting: Protect Your Server from Abuse

SELinux vs AppArmor: Choosing the Right Linux Security Module in 2026

Nginx 1.29.5 Security Update: Critical Patches and Upgrade Guide

Mastering iptables: Linux Firewall Fundamentals

Securing Websites with Let's Encrypt SSL Certificates

SSH Key-Based Authentication for Secure Server Access

SSH Server Hardening: Securing Remote Server Access

UFW Firewall Configuration: Securing Linux Servers