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Importance of IoT security. RFID world.

Intro IoT nowadays is everywhere. Now there’s about 20 billion IoT devices. In 2031 there will be around 35 billion IoT devices connected to the internet. Interesting information about IoT devices & other stuff When more network devices we have and m...

6 min readcyberjourney.eu

Jonas SatkauskasDec 20, 2025

Home Lab Introduction

Intro When I was learning cybersecurity topics in the past year, I’ve grasped lots of different tools and techniques. Some of the most iconic for me were: CAN BUS (controller area network) Radio Frequency Cryptography I was lucky to have an oppo...

3 min readcyberjourney.eu

Jonas SatkauskasNov 15, 2025

HTB CPTS: Study Sessin (NMAP - output, scripts, performance, timeouts)

What is Enumeration? It is one of the most important parts of Penetration Testing process. It is identifying all of the ways we could attack a target. We must do our best in this phase. Long story short - enumeration is collecting as much information...

7 min readcyberjourney.eu

Jonas SatkauskasOct 20, 2025

HTB CPTS: Study session (Transferring files, Knowledge sources, Vulnerable Machines and apps, Reverse shell)

Transferring files During any penetration testing exercise, it is likely that we will need to transfer files to the remote server. There are few options for this: One method is running a Python HTTP server on our machine and then using wget or cUR...

4 min readcyberjourney.eu

Jonas SatkauskasOct 15, 2025

HTB CPTS: Study session (Privilege Escalation, Enumeration)

Privilege Escalation Once we gain initial access to a box, we want to thoroughly enumerate the box to find any potential vulnerabilities we can exploit to achieve a higher privilege level. There are checklists for privilege escalation online. A goo...

2 min readcyberjourney.eu

Jonas SatkauskasOct 9, 2025

HTB CPTS: Study session (Note taking apps, Webserver tools, Shells)

Some good note taking options Notepad++ GitBook (has fetures to host a page or make wiki page) Cherrytree Evernote Sublime Text Notion Visual Studio Code It is important to make sure that any client data is only stored locally and not synced...

2 min readcyberjourney.eu

Jonas SatkauskasSep 30, 2025

HTB CPTS: PoC, Post-Engagement, Reports and Documentation structure

Proof of Concept Proof of Concept (PoC) or Proof of Principle is a project management term. In project management, it serves as proof that a project is feasible in principle. We confirm discovered vulnerabilities. We prepare steps that shows the vu...

5 min readcyberjourney.eu

Jonas SatkauskasSep 30, 2025

HTB CPTS: Stages on Penetration Testing Process #1

After pre-engagement phase is completed, information gathering begins. It’s a phase where we gather all available information about the company. This is the phase which we return to multiple times. OSINT Open source intelligence is a great way to gat...

4 min readcyberjourney.eu

Jonas SatkauskasSep 30, 2025

HTB CPTS: Risk Management Process

Organization must have efficient yet effective policy implementation for information security. Risk management process can help: StepExplanation Identifying the RiskIdentifying risks the business is exposed to, such as legal, environmental, ma...

1 min readcyberjourney.eu

Jonas SatkauskasSep 25, 2025

HTB CPTS: Pre-Engagement Stage

It’s a stage where we prepare for the actual pentesting. It’s a place to ask questions. As many as you can. It’s also a stage where we communicate with our client. We ask what needs does he have. After that we make a Kick-Off meeting. To start any of...

5 min readcyberjourney.eu