What Is the AAA Security Concept?
What is AAA? An introductory guide explaining the concepts of Authentication, Authorization, and Accounting and their roles in network security.
OPEN TO FREELANCE WORKStay curious.
EBU BEKIR ACAR / CYBERSECURITY ANALYST
Stay curious.
Think critically.
Build more securely.
A blue team foundation. An offensive security mindset in progress. I explore risks, document what I learn, and bring that perspective to freelance security work.
DEFENSE → INVESTIGATION → UNDERSTANDING
BLUE TEAM FOUNDATIONOFFENSIVE SECURITYPYTHON TOOLINGCONTINUOUS LEARNING
01 / THE PERSON BEHIND THE WORK
Curious by nature.
Methodical by practice.
Cybersecurity analyst with a strong blue team foundation, actively expanding into offensive security. Currently pursuing a master’s degree in cybersecurity while sharpening my skills in red teaming, bug bounty hunting, and Python-based tooling.
I practice regularly on TryHackMe and Hack The Box, explore bug bounty programs, and share educational cybersecurity content. My long-term interests span threat intelligence, CSIRT, and OSINT.
My background ↗02 / RECENT PUBLICATIONS
From the notebook.
What Is the Cyber Kill Chain?
A guide explaining the seven steps of the Cyber Kill Chain framework developed by Lockheed Martin and how to defend against threats at each step.
What Is an IP Address?
What is an IP address, and what is it used for? An introductory guide to networking that explains IPv4 classes, the difference between public and private IP addresses, and the transition to IPv6.
03 / TOOLKIT
The tools behind
the questions.
Tools and languages I work with
and continue to develop.
Recon & Enumeration
NmapBurp Suite
Exploitation
MetasploitSQLmap
Reverse Engineering
GhidraIDA Pro
Languages
PythonJavaPHPCBash / PowerShellJavaScript
04 / PRACTICE & BUILDING
Learn by doing.
Keep a record.
Lab notes capture the practice. Write-ups explain the evidence.
Projects document the tools built along the way.
05 / TRAINING & RESEARCH PROFILES
Where I keep learning.
Training platforms and bounty profiles.
Each is a different part of the journey.
Cybersecurity Analyst Program — Akbank
Cisco - CCNA: Switching, Routing and Wireless Essentials certificate
Cisco - CyberOps Associate certificate
Cisco - CCNA: Introduction to Networks certificate
Cisco - Introduction to Cybersecurity certificate
LET’S FIND THE RIGHT SCOPESecurity work.
Security work.
With a practical focus.
Open to short-term freelance engagements. Share your project, scope, and timeline so we can discuss fit and availability.
hiebubekir@proton.me ↗HOW I CAN HELP
- Web & API penetration testing
- Source code review & vulnerability assessment
- Bug bounty triage & research assistance
- Security consulting & documentation