Windows and Linux Server Hardening Checklist
What Is Server Hardening?
Server hardening is the process of securing a server by reducing its attack surface and limiting opportunities for unauthorized access, exploitation, or service disruption.
The goal is not to lock down a system so aggressively that normal operations become difficult. Instead, server hardening focuses on ...
What Is a Hardware Firewall and How Does It Protect Your Network?
Understanding Hardware Firewalls
As cyber threats continue to evolve, organizations need security controls that can protect their infrastructure before malicious traffic reaches servers, applications, or users. One of the most effective ways to accomplish this is through a hardware firewall.
A hardware firewall is a dedicated physical device positioned ...
How to Add a Let’s Encrypt SSL on VPS
Why Your VPS Needs an SSL Certificate
An SSL certificate encrypts communication between your website and its visitors. This protects sensitive information such as login credentials, contact form submissions, payment details, and customer data from interception.
Modern web browsers also display security warnings on websites that do not use ...
How to Protect SSH Port: Ultimate Security Guide
How to Protect SSH Port is among the crucial measures you must take to protect your server from malicious attackers. Considering that SSH is always targeted by brute-force attacks by hackers, exposing your system can pose some considerable risks. In this definitive guide on how to secure ...
SSL for IP Address: Easy Setup & Secure Access Go
IP Address SSL is a highly effective but frequently underutilized method that allows you to protect direct connections to a server without using a domain name. For more and more programmers and network engineers seeking to streamline implementation and increase flexibility in terms of controlling their systems, ...
Best Self-Hosted Open-Source VPN Solutions
Open-source VPNs have emerged as the most popular option for those who are concerned about their privacy, openness, and complete control over their network infrastructure. With a self-hosted VPN, you don’t have to depend on third-party VPN services, and you have the flexibility to configure your security ...
Hackers Actively Exploiting telnetd Vulnerability for Root Access
A critical security flaw in the GNU InetUtils telnetd server (CVE-2026-24061) is being actively exploited by attackers worldwide. The telnetd vulnerability allows unauthenticated attackers to bypass standard login procedures and gain root access on affected Linux systems. Researchers have observed coordinated campaigns targeting the Telnet service, highlighting ...
Asian State-Sponsored Group TGR-STA-1030 Breaks 70 Government and Infrastructure Bodies Globally
The TGR-STA-1030 cyber espionage operation has affected a minimum of 70 government and critical infrastructure entities in 37 countries during the last year. As per research published by Palo Alto Networks Unit 42, the newly discovered threat actor has been actively engaged in intelligence gathering activities since ...
Docker & Kubernetes Container Security Complete Guide
Docker & Kubernetes container security is the structured practice of protecting container images, orchestration layers, and runtime environments from vulnerabilities, misconfigurations, and active threats across the entire container lifecycle. As organizations increasingly rely on containers for scalable cloud-native applications, understanding Docker & Kubernetes container security is no ...
Boost Email Security with SPF, DKIM, DMARC
Email authentication has emerged as a very important aspect of securing communication, and businesses can no longer depend on simple spam filters alone. SPF, DKIM, and DMARC are protocols that work in tandem to ensure the authenticity of the sender, prevent domain spoofing, and increase the authenticity ...
Hackers Target AI Deployment as Over 91,000 Attack Sessions are Uncovered
Over 91,000 attacks on AI infrastructure were documented in a synchronized attack on artificial intelligence deployment from October 2025 to January 2026. The security telemetry gathered from honeypot sensors worldwide validates the existence of two structured attacks targeting server-side request forgery vulnerabilities and probing large language model ...
OpenClaw Bug Enables One-Click Remote Code Execution by Malicious Link
The disclosure of CVE-2026-25253 has raised serious concerns across the cybersecurity community after researchers confirmed that an OpenClaw bug enables one-click remote code execution through a crafted malicious link. The high-severity flaw, affecting the rapidly growing open-source AI agent platform OpenClaw (formerly Clawdbot and Moltbot), allows attackers ...
HTTPS and Port 443: Secure Web Browsing Essentials
HTTPS and Port 443 are the foundation of Secure Web Browsing in the current digital age. HTTPS ensures the encryption of data being transmitted between users and websites, thus securing passwords, payment information, and personal data from being intercepted or tampered with. Port 443 is the default ...
CentOS Guide: Restart Apache After SSL, Keep HTTPS
Restart Apache After SSL is an essential task for system administrators using CentOS who need to implement the SSL changes without interrupting the HTTPS connection. Restarting Apache after an SSL installation or configuration can result in a system failure, an unsecured HTTPS connection, or a warning message ...
- 1
- 2