Dimitris Dhr

🛡️ Future Blue Teamer | 💻 Self-taught Developer
Learning Cybersecurity & Programming in Public
Every day = +1 skill
The future is built, not given 🔥

[Dimitris Dhr @DDihris]

I don’t chase trends.

I build.

🔥 FumeRun
🚀 SmokeTrail
🛡️ Cybersecurity
💼 Fiverr

One project at a time.
One skill at a time.
One step closer to the future I want.

#BuildInPublic #CyberSecurity #FumeRun #SmokeTrail #Projects #LearningInPublic #Tech #BlueTeam #Growth

[Dimitris Dhr @DDihris]

@X_supporttop1 👋👋👋

[Dimitris Dhr @DDihris]

Watching $FEBU closely.

The recent price action finally looks alive after weeks of sideways movement.

What caught my attention isn’t just the chart:

• Continued development
• Active community
• Team still building
• Strong treasury supporting the project

$febu

[Dimitris Dhr @DDihris]

You don’t need expensive software to start learning cybersecurity.

Many of the industry’s most well-known tools are free.

Which one would you learn first from this list?

#CyberSecurity #InfoSec #BlueTeam #OSINT #LearningInPublic

[Dimitris Dhr @DDihris]

A visual cheat sheet I wish I had when I started learning networking. 📒🌐

OSI Layers + common protocols in one place.

Sometimes a single page is easier to remember than 30 pages of documentation.

Save it for later. 🛡️

#CyberSecurity #Networking #BlueTeam #InfoSec #SOC

[Dimitris Dhr @DDihris]

Finished my first Networking Notes series. 📒🛡️

Here’s the one-page recap with the concepts that matter most:

• Network basics
• Network devices
• OSI Model
• TCP vs UDP
• Common ports
• Blue Team mindset

Save it for later you’ll probably come back to it. 🚀
#Networking

[Dimitris Dhr @DDihris]

Trying a new way to learn cybersecurity.

Instead of plain notes, I’m creating hand-drawn visual study pages.

Today’s topic:
🌐 Networking Fundamentals

Learning in public, one page at a time. 🛡️📒

#CyberSecurity #BlueTeam

[Dimitris Dhr @DDihris]

🛡️ Cybersecurity Journey Day 47

Just completed "Exploitation & Privilege Escalation" on TryHackMe.

Key takeaways:
• Enumeration is crucial
• One mistake can change everything
• Blue Team mindset hits different

What was the toughest module for you when starting?

#BlueTeam

[Dimitris Dhr @DDihris]

Every search tells a story.

Today’s lesson:

ext:

Looking for a specific file extension can save time during research and reconnaissance.

Learning one operator at a time.

What’s your favorite Google Dork?

#CyberSecurity #OSINT

[Dimitris Dhr @DDihris]

Loading skills.
Not excuses.

Every lesson today is another tool I’ll have tomorrow.

#CyberSecurity #LearningInPublic #BlueTeam

[Tom Dörr @tom_doerr]

RohanKar Launcher browses and installs classic PC games from https://t.co/Ur8Q2LQTNR

https://t.co/jYVANUPLBU

[Dimitris Dhr @DDihris]

+100 XP ✅

Completed:
Exploitation and Privilege Escalation

Every lesson adds another piece to the puzzle.

#CyberSecurity #BlueTeam #LetsDefend

[Dimitris Dhr @DDihris]

This escalated quickly. 😂

+497.7%

Sometimes patience pays.
Sometimes it doesn’t.

Today it did.

solana:7mki412wXATW1T3m9YVw6Msxu1JcJtDuT72Ft4Qfpump

[Dimitris Dhr @DDihris]

Still building.

Today I’m refining my Fiverr profile and portfolio.

Every small improvement compounds.

#BuildInPublic #Fiverr #Freelance #Growth

[Dimitris Dhr @DDihris]

One of my favorite projects so far.

A short visual story about the Seikilos Epitaph, the oldest complete song known to survive from antiquity.

Research, scripting, AI , editing, and storytelling into one project.

Every project teaches something new.

#ContentCreation #History

[Dimitris Dhr @DDihris]

Still experimenting.

This AI-assisted video about Bistecca alla Fiorentina reached:

• 16K+ views
• 280+ likes
• 130+ shares

Every project teaches something new about storytelling, editing, and audience engagement.

Back to building.

#ContentCreation #AI #FumeRun

[Dimitris Dhr @DDihris]

Every tool has a purpose.

Today’s introduction:

🛡️ OWASP ZAP
🌐 Burp Suite Community Edition
🔎 Nikto
⚡ Metasploit Framework

Learning what they do before learning how to use them.

Building the fundamentals every day.

#CyberSecurity #EthicalHacking

[Dimitris Dhr @DDihris]

💻 Another step forward in my C programming journey.

Today I completed the Input & Output lesson and learned how C handles user interaction through functions like printf() and scanf().

One interesting takeaway:
📌 sizeof is the only operator in C that is also a keyword. #C

[Dimitris Dhr @DDihris]

Starting Network Security Basics today.

Every Blue Teamer needs strong networking fundamentals.

Time to learn more about network concepts, protocols, topologies, and IP addressing.

Building one skill at a time.

#CyberSecurity #BlueTeam

[Dimitris Dhr @DDihris]

Google is more powerful than most people realize.

Today’s lesson:

• site:
• filetype:
• intitle:
• inurl:

Knowing how to search efficiently is a valuable skill for OSINT, reconnaissance, and Blue Team investigations.

Still learning. Still building.

#CyberSecurity #OSINT