Hello, I'm Roei Barak

Computer Science Student & Cybersecurity Enthusiast

Last year Computer Science student with a focus on cybersecurity and ethical hacking.

Graduator of MCSA course with 4 years of experience in IT and system administration.

Highly motivated, autodidact, and quick learner with excellent interpersonal skills..

Timeline_

1997

Born in Israel

The journey begins

2015

High School Graduation

Started exploring technology and computers

2019

Started IT Career

IT Help-Desk at Ophir Optronics

2020

Career Growth

IT Technical Support at Kramer Electronics

2022

Debug Engineer

Joined Intel as Debug Engineer

2024

Present Day

Computer Science Student & Cybersecurity Specialist

Featured Projects

Ethical Hacking Tools

Ethical Hacking Tools

A comprehensive collection of cybersecurity and ethical hacking tools, demonstrating practical application of security concepts and penetration testing methodologies.

PythonKali LinuxCybersecurityNetworkingPenetration Testing

Security Challenges_

Terminal Output

SQL Injection Challenge

Find the phone number by exploiting this login query:
SELECT * FROM users WHERE username = '[INPUT]' AND password = '[INPUT]';

Brute Force Protection

Decrypt this hash to get the next clue:
4d1cf71aec011c7c6c3a2e69224f0e93
It's a common 4-digit number...

Buffer Overflow Challenge

This C program has a vulnerability. Find the input that will overflow the buffer and change the 'isAdmin' variable to 1:

void check_password() {
    char buffer[8];
    int isAdmin = 0;
    
    gets(buffer); // Vulnerable function
    
    if(isAdmin) {
        printf("Access granted!");
    }
}

What input would you provide to gain admin access?

Resume

Work Experience

Debug Engineer

Intel • 2022

Troubleshoot and debug engineering tasks

IT Technical Support

Kramer Electronics • 2020 - 2022

Converting to Windows 10 - installations of endpoints, and assimilation with end-users. User support - hardware and printer faults, application S/W installation and upgrading.

IT Help-Desk

Ophir optronics solutions Ltd (MKS Instruments, Inc.) • 2019 - 2020

Manage users and computers in Active Directory. Cybersecurity - Symantec Firewall, Juniper and CheckPoint VPN. Service desk SysAid - Support users worldwide.

Education

B.Sc Computer Sciences

LEV ACADEMIC CENTER - JCT • Current

Fourth year Computer Science student

MCSA Course

JOHN BRYCE COLLEGE • Completed

Graduator of MCSA course at Collaboration with 8200 unit, program for Outstanding commander

Python & Ethical Hacking

Udemy • Completed

Learn Python & Ethical Hacking from scratch

Skills

Programming

C/C++
Python
Java
PowerShell

Virtualization

VMware
VirtualBox
Hyper-V

OperatingSystems

Kali Linux
Windows Server

Other

GitHub
Docker
Kali Linux tools
Ethical Hacking
Microsoft Server Configuration