#security101-dimitrisp

In this part we will examine user account types, and we'll see a few guidelines and methods we can use to protect our system a little bit by enforcing strong passwords etc. Previous parts: 1. Introduction

It is generally easier to attack a system when you already have access to an account. And the more privileges the account has, the bigger the damage you can do. A privilege escalation attack is a threat!

In this final "Physical Security" part, we will learn how to disable Control+Alt+Delete from rebooting your system! Image source Previous parts: 1. Introduction 2. General Principles and Guidelines

In this part, we're going to examine how can we use encryption on systems where we don't have block level access to devices, as well as how can we encrypt devices without losing our data. Image source

In the previous part we secured our bootloader against the Single User Mode hole, but we discovered that if we boot up a CD/DVD and try the recovery method, the data is still vulnerable. The best way to

In the previous part, we secured our system against the "Single User Mode exploit" to disallow unwanted intruders from gaining full root access. We now feel that our system is a little bit more

For the next couple of parts, we will start examining in practice a couple of ways we can increase our machine's Physical Security. In this article we will secure the system's Single User Mode. Previous

Physical Security is almost always overlooked. A company server in the premises for example, may have a ton of security measures implemented, but no physical security measures. In the past I worked for

If you didn't catch the previous article, click here We will now talk about some security principles & guidelines. We won't be getting very specific in this post, but this will help you get a few things

In this series of articles, we will be talking about Security. We will begin with a few common facts and misconceptions about Linux, and then we will get our hands dirty. Please note, you won't be an expert