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#SSH Hardening

All articles tagged with SSH Hardening

#SSH Hardening

The Perimeter is Dead: Implementing Zero-Trust on Linux Infrastructure in 2021

The 'castle-and-moat' security strategy failed us. Here is how to architect a true Zero-Trust environment using WireGuard, SSH keys, and strict kernel-level isolation, compliant with Norway's strict data standards.

Kill Your VPN: Implementing Zero-Trust Security on Linux Infrastructure (2019 Edition)

The perimeter is dead. Learn how to implement a true Zero-Trust architecture using mTLS, SSH CAs, and granular iptables on Linux servers, ensuring compliance with strict Norwegian data standards.

The Perimeter is Dead: Implementing Zero-Trust Security on Your Norwegian VPS Infrastructure

It is August 2018, and the old 'castle-and-moat' security strategy is failing. Here is how to implement a Zero-Trust architecture using Nginx mTLS, SSH hardening, and strict iptables rules on a Linux VPS.

Kill the VPN: Implementing Zero-Trust Security for GDPR Compliance on Linux Infrastructure

With the GDPR enforcement date looming, the traditional 'castle and moat' network security model is a liability. Learn how to architect a Zero-Trust environment using Nginx mTLS, SSH Certificate Authorities, and strict KVM isolation.

Zero-Trust Architecture on Linux: Surviving the Post-Perimeter Era

The 'castle and moat' security model is dead. With GDPR looming, relying on a single edge firewall is professional negligence. Here is how to implement Zero-Trust principles on your VPS using 2018-era tools like iptables, OpenVPN, and 2FA.

The Perimeter is Dead: Implementing a Zero-Trust Architecture on Linux Infrastructure

The 'castle-and-moat' security strategy is failing. In a world of ransomware and looming GDPR regulations, here is how to implement a Zero-Trust model using standard Linux tools available today.

Zero-Trust Architecture on Linux: Hardening Your VPS Against the 'Soft Shell' Fallacy

The 'Castle and Moat' security strategy is dead. In this guide, we dismantle the perimeter and implement strict access controls, 2FA SSH, and encrypted tunnels on Ubuntu 16.04, ensuring your data in Norway remains untouchable.

Automating Infrastructure Compliance: Preparing for the GDPR Era with Ansible

With the Safe Harbor framework invalidated and new EU regulations looming, manual security hardening is a liability. Learn how to automate server compliance using Ansible on CentOS 7 to satisfy auditors and secure your Nordic infrastructure.

The Perimeter is Dead: Implementing Zero Trust Architecture on Linux Infrastructure (2016 Guide)

With the recent death of Safe Harbor and the looming GDPR enforcement, the 'castle and moat' security strategy is obsolete. Here is a pragmatic guide to implementing micro-segmentation and strict access controls on your Norwegian VPS infrastructure.

Kill the Perimeter: Implementing Zero-Trust on Linux in Post-Safe Harbor Europe

The 'Castle and Moat' security model is dead. Following the invalidation of Safe Harbor, relying on perimeter firewalls is negligence. Here is how to implement a Zero-Trust architecture on Linux right now using CentOS 7, OpenVPN, and the new Let's Encrypt beta.

The Perimeter is Dead: Architecting 'Zero Trust' Security on Linux in 2015

The 'Castle and Moat' security strategy is failing. Learn how to implement a Zero Trust architecture today using KVM, strict IPTables, and Two-Factor Authentication to secure your Norwegian infrastructure against modern threats.

The Perimeter is Dead: Implementing "Zero Trust" Architecture on Linux Systems (Post-Shellshock Edition)

Following the Heartbleed and Shellshock disasters of 2014, the traditional 'castle and moat' security model is obsolete. Learn how to implement a verify-every-packet strategy using iptables, SELinux, and Two-Factor SSH on high-performance Norwegian infrastructure.

The Perimeter is Dead: Implementing "Trust No One" Security on Linux in the Wake of Shellshock

The old model of 'trusted LAN, untrusted WAN' is obsolete. Following the chaos of Heartbleed and Shellshock, we explore how to build a manual Zero-Trust architecture using iptables, strict SSH tunneling, and KVM isolation on Norwegian infrastructure.

The Perimeter is Dead: Implementing Zero-Trust Security on Linux in a Post-Heartbleed World

The 'castle and moat' security strategy failed us. Following the 2014 Heartbleed wake-up call, we explore how to implement a Zero-Trust architecture using iptables, SELinux, and 2FA on KVM-based VPS infrastructure.

Stop Trusting the LAN: Implementing the Zero-Trust Model on Linux in 2013

The traditional perimeter is dead. Discover how to harden your infrastructure by assuming every network interface is hostile, using iptables, SSH keys, and SSL everywhere on CoolVDS KVM instances.

Fortress Norway: Essential Linux Server Hardening Guide for 2012

A battle-tested guide to securing your CentOS 6 and Debian 6 servers. From iptables to SSH keys, learn how to protect your infrastructure against rising botnets while leveraging Norwegian privacy standards.

Lock It Down: The 2012 Guide to Linux Server Hardening in Norway

A default Linux install is a vulnerability waiting to happen. Learn the battle-tested configuration strategies to secure your CentOS 6 and Ubuntu 12.04 servers against brute force attacks, while ensuring compliance with Norwegian data laws.

Linux Server Hardening: The 2012 Survival Guide for Norwegian Systems

In an era of increasing automated attacks, default configurations are a death sentence. Here is the battle-tested roadmap to securing your Norwegian VPS, from iptables to SSH keys, strictly adhering to the Personal Data Act.

Lock It Down: The Essential Guide to Hardening Linux Servers in 2012

Don't become a statistic. From configuring iptables to securing SSH keys, this guide covers the mandatory steps to harden your CentOS and Debian servers against modern threats. Featuring specific configurations for Norwegian compliance.

Paranoia is a Virtue: The 2012 Guide to Linux Server Hardening in Norway

Following the massive security breaches of 2011, default configurations are no longer acceptable. Learn how to lock down your CentOS and Debian servers using SSH keys, iptables, and Fail2Ban while ensuring compliance with Norwegian data laws.

Paranoia is a Virtue: The 2011 Guide to Locking Down Your Linux VPS

In an era of LulzSec and automated botnets, default settings are a death sentence. Here is the battle-hardened guide to securing your CentOS and Debian servers, optimized for Norwegian infrastructure standards.

Paranoid Security: Hardening Your Linux VPS Against 2011's Threat Landscape

It's 2011 and LulzSec is on the loose. Default configurations are a death sentence. Here is the battle-tested guide to locking down CentOS 6 and Debian Squeeze.

Fortifying the Castle: Essential Linux Server Hardening for 2012

With the rise of LulzSec and automated botnets in 2011, default configurations are a death sentence. Here is the battle-tested guide to hardening your Norwegian VPS, from iptables to SSH key management.

Linux Server Hardening: The 15-Minute Drill to Lock Down Your Box

A battle-hardened guide to securing CentOS 6 and Debian servers. Learn how to configure iptables, secure SSH, and avoid common pitfalls before your new VPS hits the public internet.

Lock It Down: The Definitive Linux Server Hardening Guide (2011 Edition)

In an era of rising botnets and script kiddies, a default installation is a ticking time bomb. We cover the essential steps to secure your CentOS and Debian servers, from iptables to SSH keys, ensuring your Norwegian infrastructure stays online.

Paranoid Penguin: 5 Essential Steps to Harden Your Linux VPS in 2011

Script kiddies are scanning your IP right now. Stop relying on default configs. Here is the battle-tested guide to locking down CentOS 6 and Debian servers, securing SSH, and configuring iptables for Norwegian infrastructure.

The Paranoid Sysadmin’s Guide to Linux Server Hardening (2011 Edition)

A default Linux install is a sitting duck for botnets. From crafting strict iptables chains to locking down SSH, here is the battle-tested configuration for securing your Norwegian VPS infrastructure.

Fortress Norway: The Definitive Linux Server Hardening Guide (2011 Edition)

Stop relying on 'security through obscurity'. From configuring rigid iptables to navigating Norwegian privacy laws, this guide covers the mandatory steps to secure your VPS against modern botnets and brute-force attacks.

Linux Server Hardening: The 20-Minute Drill for Norwegian Systems

A battle-hardened guide to securing your CentOS and Debian servers against automated botnets. Covers SSH locking, iptables configuration, and Fail2Ban, specifically tailored for the Norwegian hosting landscape in 2011.

root@oslo:~# Hardening Your Linux VPS: Essential Survival Guide (2011 Edition)

In the wild west of the 2011 internet, a default Linux install survives about 10 minutes before compromise. Here is the battle-tested roadmap to locking down your server using iptables, SSH keys, and common sense.