(CTF) Reply cyber security challenge — The challenge The Reply Cybersecurity challenge is a 24-hour Capture The Flag competition held from October 14 to 15, 2022, where teams of up to 4 members participate. The competition includes challenges from 5 different categories: Coding, Web, Binary, Crypto, and Miscellaneous, which combines different categories into one. Experience I joined forces with…

(Hackathon) Hack The Future — 2022 — The Hackathon Hack The Future is a hackathon organized by The Cronos Group, a consortium of technology companies in Belgium. The event was well-organized and had a professional atmosphere, with many companies from within the Cronos Group in attendance. Participants could choose to attend the event either online or in-person in Antwerp. Experience …

(Conference) GitHub Galaxy — 2023 — The Conference GitHub Galaxy was a four-day conference hosted by GitHub from March 28 to March 31. The conference featured sessions on a wide range of topics, including software development cycles, AI, security, and productivity. …

This article is written for educational purposes only Introduction Remote Access Trojans, or RATs, are a type of malware that allow an attacker to take control of a victim’s computer remotely. These types of attacks are often used by cybercriminals to steal sensitive data or to gain unauthorized access to a…

Cryptographic Hash Functions — Intro A hash function uses a variable-length block of input data and produces a fixed-size hash value as output. Hash functions are used in computers to determine if data has been changed or not. An example If you download a program from the internet some vendors provide the MD5 checksum hash…

Use Case Driven Paper — Crypto Rebalancer Script — Part 1 - The Introduction I will begin this paper by outlining our plans for creating a cryptocurrency portfolio rebalancer. Before I do so, I must explain what crypto rebalancing is and how it works. Crypto rebalancing explained Let's start with the basic scenario. As an investor, you have a cryptocurrency portfolio that holds 50% in Bitcoin and…

Let’s talk about it! — Introduction The tech industry and mental health don’t cooperate well. A lot of tech workers are faced with mental issues caused by their job. This number could be as high as 90% according to the OSMI Mental Health in Tech Survey. …

Stay Safe At Home — Introduction We use technology every day and a lot of us don’t pay attention to our online safety. In this article, I will discuss some small steps that can be taken to enhance your online security and keep you and your data safe. 5 Simple Steps to Boost Your Cybersecurity at Home

Rivest-Shamir-Adleman — Intro Asymmetric is also referred to as public key cryptography. Because it makes use of 2 keys, a public key and a private key. In previous chapters we took a look at symmetric ciphers like DES and AES these are referred to as private key cryptography. In this chapter I will…