Eduard Schwarzkopf

Eduard Schwarzkopf

Eduard Schwarzkopf

Secure Your AWS Account: The Critical Importance of MFA and the Ease of a CloudFormation Stack

The world of cybersecurity is grappling with increasingly complex threats, with sophisticated cyber-attacks becoming the norm rather than an exception. A testament to this is the recent revelation from Microsoft, where the security team uncovered an intrusion by a nation-state actor dubbed Midnight Blizzard. The attack unveiled a critical gap:

How to backup your SMB shares and blob storage from Azure to AWS with DataSync

Introduction Have you ever been in a situation where you had files on Azure but would like to have them on another cloud provider? Well, one of our customers had exactly this requirement. We provided a solution for this problem and since sharing is caring, I’m going to provide

Website under attack: Insights into a WordPress security attack

One morning a client contacted me because his website had some cool new sweepstakes on his WordPress instance. Unfortunately, he also told me that this is probably not from him, but his site is probably compromised. So, nothing to win here. This means I have to see what exactly happened

I Exposed AWS Access Keys, On Purpose: Here's What I Learned and How I Boosted Incident Response

Introduction Who doesn't know that, you just write a quick fix for your code? After a few hours, the function is finally finished. Proud to have finally done it. Your Brain, toast. Your commit, fast. Pushing your credentials without realising, even faster! Let's find out what happens next. It happens

How to create a local IoT broker with Greengrass and connect it to the AWS cloud

Introduction Greengrass is a software developed by Amazon Web Services (AWS) for the deployment of local compute, messaging, and data caching capabilities for Internet of Things (IoT) devices. This allows IoT devices to operate even when disconnected from the cloud and enables real-time local processing and the ability to respond

Asynchronicity - my new town

Python coding? Always been my jam. But there's this thing that used to bug me – all those 'asyncio', 'async/await', and 'concurrency' terms that kept popping up. I felt like they were gatecrashing my Python party. Sure, I played along, wrote some asynchronous functions, and slapped await on them straight

Operation: Re-Boot

When a leader suddenly disappears, things go south. This is precisely what happened in my Arma 3 unit. Things went south. Our unit leader vanished from one day to the next, leaving us all in the dark. Nobody really knew what was going on. Not good. Let me tell you

Hacktoria | Friendly Fire – Write-Up

After a couple of months without a CTF I decided to get my feed wet again. Good thing, that Hacktoria has a lot of challenges for me to solve now. So here is how I was able to solve this one. If you want to try this challenge yourself, find

Secure User Authentication with Next.js, NextAuth.js, and AWS Cognito

Introduction For one of our projects we have decided to use Next.js 13. As a backend developer, you can imagine how excited I am to work on this frontend. After reading through the docs, I decided to get started with a tutorial on YouTube. From the NextJS tutorials that