system management

The OpSec Series - System Management

This post is part of a larger series. You can find all posts over here. Setting up systems can be a lengthy and boring process. It is easy to forget a step, execute it in the wrong order or use the wrong settings. I still remember the day when I had to reinstall the Operating System of my laptop on a yearly basis. Microsoft Windows has a tendency to become slower over time....

January 22, 2024 · 20 min · 4107 words · Valentijn Harmers
e-mail

The OpSec blog series - E-mail encryption

This post is part of a larger series. You can find all posts over here. Welcome to the second blog post in this blogging series. I recommend reading the introduction post before starting with this one. Email is one of the oldest ways to communicate on the world wide web. And since the internet was created with openness in mind, so it shouldn’t come as a surprise that e-mail wasn’t designed to be very secure....

September 13, 2022 · 30 min · 6278 words · Valentijn Harmers
Beach

Creating a digital life raft

Over the span of our lives, we accumulate a lot of stuff. Some of this stuff is precious to us so we keep it in a secure place like a safe or strongbox. Some of this precious stuff can also be digital and therefore must be secured into digital strongboxes and safes but what happens when you lose the key? When your work in IT, you have a minimum of two employers: the company you work for and your family....

September 9, 2022 · 4 min · 750 words · Valentijn Harmers

The OpSec blog series - Introduction

Have you ever had the desire to improve the security of your systems but had no idea how to do it? You might have read all kinds of articles on the web about hacked companies that needed to pay large sums of money to get access to their data again. But what can you do, when you are just a system administrator of a small company with a non-existent security budget?...

September 7, 2022 · 11 min · 2221 words · Valentijn Harmers

My working environment throughout the years

As someone who works in the IT sector and does all kinds of tech stuff in his free time, having a proper working environment is of the utmost importance. The term “Working environment” is a broad term with can be anything from the people you work with to the desk you sit at, but I am focusing on the thing I spend my time looking at for most of the day....

September 2, 2022 · 20 min · 4250 words · Valentijn Harmers