During the competition there was at some point a Craiglist kind of paper for a synapse experiment with Neurosoft (The company that implements chips in your brain). On the coupon was a website neuro://synapse-trials.ctf and a phone number 1-647-49...

Category: coding challenge Points: 5 Description: Can you pass this vision test, if it’s not working it’s definitely not your brain implant. Please calibrate your vision chip. The blurriness of th...

Certificates are everywhere … Usually you don’t see them, everything works fine until it does not. The most common place with certificate errors will be on a website not using them or with errors. Like your connection is not secure, you’re go...

Vue.js is a framework to build user interfaces (UI). It can self contains the required css, js and html into one file. You will see how to get started on the vue.js documentation But let’s take a look at a full on Vue.js app. Introduction Here ...

Linux Foundation The Linux Foundation is a large open source non-profit organisation that promotes and foster collaborative development. Open Source Readings from Daniel Shiffman - Open Source Course: What Does “Open Source” Even Mean? by J...

I wrote a post on stackoverflow on how to use java.util.function.Function for simple method as parameter function. Here is a simple example: import java.util.function.Function; public class Foo { /** Foo constructor **/ private Foo(String...

Configuring and controlling Open SSH Service Creating an SSH key You can check out GitHub documentation for that. Creating a new ssh key with ssh-keygen you need to enter a passphrase if you went your ssh key to be encrypted: ssh-keygen -t rsa ...

MongoDB is a Document Oriented Database, a type of NoSQL database. It is open source and available at mongodb.com. Document Storage Document databases pair each key with a complex data structure known as a document. Documents can contain man...

Beside hearing that in Java everything is about objects, and all declaration has to have a data type, that makes it a strongly typed language. What’s so special coding in Java? Basically you define a class (Like an “object blueprint”). Then ...

Introduction The challenge was part of the NorthSec 2018 edition. This write-up has also been shared on the ctf repository, which seems to be slowly replaced by ctftime.org Category: forensic Points: 3 Description: Can you decrypt the mes...