ADDISSEC
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๐Ÿ’ป Cybersecurity Tips & Tutorials โ€“ Level up your skills with daily insights, pro tricks, and cutting-edge tools. ๐Ÿง 

๐Ÿ’ป Hands-On Practical Labs & CTF Challenges โ€“ No theory-only nonsense.
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๐Ÿ›ก๏ธ THE BATTLEGROUND IS LIVE โšก

CODE โ€ข EXPLOIT โ€ข CONQUER

The countdown has begun. The flags are hidden. The best minds are already fighting.

AddisSec
presents ASCTF 2026 Africa's premier CTF with hands-on security challenges. Prove your skills and earn recognition among Africa's cyber elite.

๐ŸŽฏ MISSION:
Capture flags, outsmart rivals, climb the leaderboard.

๐Ÿงฉ CATEGORIES:
Web, Crypto, RE, Pwn, Forensics, OSINT.

๐Ÿ“ˆ Leaderboard
is shifting every minute. Every solved challenge gets you closer to the top. Don't watch join the battle.

๐Ÿšจ Infrastructure is live
. Challenges are waiting. Flags won't capture themselves.

๐Ÿ”—
https://asctf-1.onrender.com/

๐Ÿ›ก๏ธ Hosted by AddisSec

ASCTF 2026 โ€” Africa's Ultimate Digital Battleground.
๐Ÿ‘‰ New tutorial video drop check it out on YouTube

https://youtu.be/wI-c_ZXzmG8?si=fL8amNzrSqFFwcYq
๐Ÿ”ง NEW TOOL ALERT: Customized Port Scanner for CTF Players! ๐Ÿ”ง

Hey CTF community! I've built a customized port scanner tailored specifically for CTF challenge environments โ€“ and it's NOW available for everyone! ๐Ÿš€

What makes it different?
โšก Optimized for CTF-style boxes
๐ŸŽฏ Customizable scan parameters
๐Ÿ› ๏ธ Built with CTF players in mind
๐Ÿ“Š Clear, actionable output


Whether you're a beginner or a pro, this tool will speed up your recon phase and help you focus on what matters โ€“ pwning boxes! ๐Ÿ’ช

๐Ÿ”— Get it here:
https://github.com/joelfeleke74-blip/Port_scanner-.git

Quick Start:

git clone https://github.com/joelfeleke74-blip/Port_scanner-.git
cd Port_scanner-
# Check the README for usage details

Drop a โญ if you like it! Feedback and PRs are always welcome.

Happy playing ! ๐Ÿ’ป๐Ÿ‘พ

#CTF #CyberSecurity #Pentesting #PortScanner #CTFtools
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๐Ÿš€ Master Pen Testing: A New Way to Learn is Coming Soon!

Want to get into cyber world but feeling overwhelmed by where to start? Iโ€™m working on something special to help you build your career right here in Ethiopia. ๐Ÿ›ก๏ธ

Iโ€™m building a Pen Testing Roadmap & Simulation designed to bridge the gap between theory and real-world application. Itโ€™s practical, structured, and aligns with the core competencies you need to succeed. Even better?
You will earn a professional-grade certificate upon completion to showcase your hard-earned skills. ๐ŸŽ“

Whatโ€™s coming in this roadmap:

๐Ÿ” Reconnaissance & Footprinting
๐Ÿ›ก๏ธ Scanning & Enumeration
๐Ÿ’ป Vulnerability Assessment
๐Ÿ“ Exploitation & Reporting


This is all about helping you build your skills, step by step, in a way that truly matters for your career. We are bringing high-quality cybersecurity training to our local community.

Iโ€™m putting the finishing touches on the platform, and the launch is coming very soon.

#CyberSecurity #AddisSec #PenTesting
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I've been working on this for a while now and I'm happy to say the platform is 80% complete.

It's designed to be a space where anyone can learn cybersecurity whether you're just starting out or looking to level up.

What's inside:

โœ… Free courses & labs
โœ… Premium training paths
โœ… CTF arena to practice
โœ… Community discussions


Everything is structured, practical, and built to actually help you build real skills.

If you're interested, drop a ๐Ÿ›ก๏ธ and I'll notify you when it goes live.

#AddisSec #CyberSecurity #PenTesting #CTF
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๐Ÿ›ก๏ธ New CTF Challenge: Everting

๐Ÿ“‚ Category: Web Exploitation
๐Ÿ“Š Difficulty: ๐ŸŸก Medium (250 Points)


๐ŸŒ Platform: ADDISEC CTF

๐Ÿ“ Challenge Description:

Deep in the digital underworld, a shadowy hacking collective known as NullByte has set its sights on Everting a cutting-edge freelance platform trusted by thousands. Their goal? Inject a backdoor into the system and sell access to the highest bidder.

Everting's CISO has caught wind of the plot but needs proof. You're called in as an elite ethical hacker to beat NullByte at their own game. Your mission: infiltrate Everting's infrastructure, uncover the critical flaws, capture the flag, and expose the vulnerability before the hackers strike


๐Ÿ… Flag Format: CTF{...}

๐Ÿ‘‰ Access the challenge: https://asctf-1.onrender.com/challenge/everting
๐Ÿ“Œ What is OSINT in Cybersecurity?

OSINT (Open Source Intelligence) is the practice of collecting and analyzing publicly available information for security assessments, and penetration testing.

๐Ÿ” What OSINT Covers

Public Records โ€“ WHOIS lookups, DNS records, corporate registrations, and business filings.

Social Media โ€“ Public profiles on LinkedIn, Twitter, GitHub, and other platforms that reveal employee names, roles, and project details.

Technical Data โ€“ Subdomains, IP ranges, SSL/TLS certificates, and open ports.

Data Breaches โ€“ Leaked credentials and passwords found in breach databases like HaveIBeenPwned.

Search Engines โ€“ Advanced Google dorks, Shodan for connected devices, and Censys for certificate and network intelligence.

๐Ÿ› ๏ธ Common OSINT Tools
Recon-ng
theHarvester
Shodan
Maltego

๐ŸŽฏ OSINT Use Cases in Cybersecurity
External Reconnaissance Threat Intelligence
Data leaks
brand impersonation
Social Engineering

ยฉ 2026 @Addis_Sec | ๐ŸŒ Your community for all things cyber and tech in Ethiopia
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๐Ÿ“Œ What is SOC in Cybersecurity?
A Security Operations Center (SOC) is a team that continuously monitors, detects, investigates, and responds to cybersecurity threats to protect an organizationโ€™s systems and data.
๐Ÿ” What a SOC Does
๐Ÿ”Ž Threat Monitoring โ€“ Monitors networks, endpoints, servers, and applications for suspicious activity.
๐Ÿšจ Threat Detection โ€“ Identifies malware, unauthorized access, suspicious logins, and other security incidents.
๐Ÿงช Incident Investigation โ€“ Analyzes alerts and security events to determine what happened.
๐Ÿ›ก๏ธ Incident Response โ€“ Takes action to contain and mitigate security threats.
๐Ÿ“Š Security Analysis โ€“ Uses logs, alerts, and threat intelligence to identify potential attacks.
๐Ÿ› ๏ธ Common SOC Tools
SIEM
EDR
IDS/IPS
SOAR

๐ŸŽฏ SOC Use Cases
Threat Detection
Incident Response
Threat Hunting
Security Monitoring
Log Analysis
Threat Intelligence

ยฉ 2026 @Addis_Sec | ๐ŸŒ Your community for all things cyber and tech in Ethiopia
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What is Wireshark? ๐Ÿฆˆ

Wireshark แ‰ 1998 แ‹จแ‰ฐแŒ€แˆ˜แˆจแฃ แ‹›แˆฌ แ‰ แ‹“แˆˆแˆ แ‹™แˆชแ‹ซ แ‰ Cybersecurity แ‰ฃแˆˆแˆ™แ‹ซแ‹Žแ‰ฝแฃ Network Engineers แŠฅแŠ“ Security Analysts แ‰ แˆตแ‹แ‰ต แ‹จแˆšแŒ แ‰€แˆ™แ‰ แ‰ต แ‹จNetwork Protocol Analyzer แˆ˜แˆณแˆชแ‹ซ แАแ‹แข แ‹ญแˆ…แŠ•แŠ• แŠƒแ‹ญแˆˆแŠ› แˆ˜แˆณแˆชแ‹ซ แ‰ แАแƒ แŠฅแŠ“ Open Source แˆ˜แˆแŠฉ แˆˆแˆ›แŠ•แˆ แŠฅแŠ•แ‹ฒแŒ แ‰€แˆแ‰ แ‰ต แ‰€แˆญแ‰งแˆแข

Wireshark แ‰ แˆแˆˆแ‰ต แ‹‹แŠ“ แŒ แŠ•แŠซแˆซ แŒŽแŠ–แ‰น แ‹ญแ‰ณแ‹ˆแ‰ƒแˆแฆ

1. แ‹จNetwork Traffic แˆ˜แ‰ฐแŠ•แ‰ฐแŠ•แฆ แ‰ Network แˆ‹แ‹ญ แ‹จแˆšแŒ“แŒ“แ‹™ แ‹จData Packets แˆ˜แˆจแŒƒแ‹Žแ‰ฝแŠ• แ‰ แˆ˜แ‹ซแ‹ แŠฅแŠ“ แ‰ แˆ˜แ‰ฐแŠ•แ‰ฐแŠ• แ‰ Network แ‹แˆตแŒฅ แˆแŠ• แŠฅแ‹จแ‰ฐแˆแŒ แˆจ แŠฅแŠ•แ‹ฐแˆ†แА แˆˆแˆ›แ‹ˆแ‰… แ‹ซแŒแ‹›แˆแข

2. Troubleshooting & Security Analysisแฆ แ‹จNetwork แ‰ฝแŒแˆฎแ‰ฝแŠ•แฃ แ‹จแ‰ฐแŒ แˆจแŒ แˆฉ Traffic แŠฅแŠ•แ‰…แˆตแ‰ƒแˆดแ‹Žแ‰ฝแŠ• แŠฅแŠ“ แ‹จSecurity Incidents แˆแˆแŠญแ‰ถแ‰ฝแŠ• แˆˆแˆ˜แˆ˜แˆญแˆ˜แˆญ แ‰ แŒฃแˆ แŒ แ‰ƒแˆš แАแ‹แข

Wireshark
แŠ แŠ•แ‹ตแŠ• Network แˆˆแˆ˜แŒ แ‰ แ‰… แ‹ˆแ‹ญแˆ แˆˆแˆ˜แˆ˜แˆญแˆ˜แˆญ แ‰ แ‹แˆตแŒก แ‹จแˆšแŠซแˆ„แ‹ฐแ‹แŠ• Traffic แˆ˜แˆจแ‹ณแ‰ต แŠ แˆตแˆแˆ‹แŒŠ แАแ‹แข Wireshark แ‹ญแˆ…แŠ•แŠ• แ‹จNetwork Visibility แŠฅแŠ“ Traffic Analysis แˆตแˆซ แ‰ แ‰ฅแ‰ƒแ‰ต แ‹ซแŠจแŠ“แ‹แŠ“แˆแข

GitHub Recommendation:- แ‹จWireshark แˆ™แˆ‰ Source Code แ‹จGitHub แŒˆแŒฝ แ‰ แ‹šแˆ… แˆŠแŠ•แŠญ แ‹ซแŒˆแŠ™แ‰ณแˆ ๐Ÿ‘‰ https://github.com/wireshark/wireshark

#CyberSecurity #Wireshark #EthicalHacking #OpenSource #NetworkSecurity #AddisSec

ยฉ 2026 @Addis_Sec | ๐ŸŒ Your community for all things cyber and tech in Ethiopia
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THE BINARY ENIGMA
A secret lies within the machine's language.
Can you uncover what the computer is trying to tell you?

CATEGORY ยท Crypto
DIFFICULTY ยท Easy
POINTS ยท 50


Challenge: THE BINARY ENIGMA
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Tool Recommendation: Metasploit ๐Ÿ”ฅ
Metasploit Framework is one of the most widely used open-source platforms for penetration testing and security research. It helps security professionals identify vulnerabilities, test exploits, and evaluate the security of systems in authorized environments.
Why should beginners and cyber security professionals learn Metasploit?

๐ŸŽฏ Exploitation: Test known vulnerabilities in environments.
๐Ÿ”Ž Vulnerability Testing: Understand how security weaknesses can be identified.
โš™๏ธ Modules & Payloads: Provides a large collection of exploit, auxiliary, payload, and post-exploitation modules.
๐Ÿงช Security Labs: Excellent for practicing penetration testing through CTFs, cybersecurity labs, and authorized security assessments.

Resources:
Official Website: https://www.metasploit.com/
GitHub Repository: https://github.com/rapid7/metasploit-framework

#CyberSecurity #Metasploit #Pentesting #EthicalHacking #AddisSec

ยฉ 2026 @Addis_Sec | ๐ŸŒ Your hub for all things cyber and tech in Ethiopia