System Administrator python cybersecurity Linux\UNIX web developer ubuntu Mikrotik VPN bash pentesting
Viktor

Viktor

Ukraine

Cybersecurity & Data Protection · System & Network Administration

11 0
410
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Detection of attack on SQL database
125 USD
561
Detection of attack on SQL database
Cybersecurity & Data Protection
Detection of an attack on a SQL database through the Wireshark program. Analysis of an attack with SQL injection.
The malicious SQL injection incident
300 USD
591
The malicious SQL injection incident
Cybersecurity & Data Protection
The malicious SQL injection incident. Injection detection was revealed in the Sguil and ELSA log.
The malicious SQL injection incident
300 USD
601
The malicious SQL injection incident
Cybersecurity & Data Protection
The malicious SQL injection incident. Injection detection was revealed in the Sguil and ELSA log.
Nikita

Nikita

Ukraine

Cybersecurity & Data Protection

35 0
570
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Penetration testing in a web application
446 USD
171
Penetration testing in a web application
Cybersecurity & Data Protection
A penetration test in web applications is a set of activities aimed at detecting security issues in the product that may compromise the confidentiality, integrity, and availability of user information. By ordering a penetration test from me, you will…
Mihaylo

Mihaylo

Ukraine

Cybersecurity & Data Protection · Cybersecurity & Data Protection

0 0
127
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Good day! I am an aspiring specialist in development and cybersecurity, open to Junior positions as well as freelance projects. I already have practical experience in development, automation, and data protection.My Skills: JavaScript Python HTML/CSS Basic cybersecurity (vulnerability analysis, data protection, secure coding)Projects & Experience: Developing a Secure Corporate Website ✅ Technologies: HTML/CSS, JavaScript, basic web security I built a responsive corporate website optimized for SEO and protected against common web threats such as XSS and SQL injections. Creating a Secure Data…
Roman Urazov

Roman Urazov

Germany

Cybersecurity & Data Protection · Web Programming

0 0
77
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I'm a developer focused on cybersecurity and backend development. I help clients build secure, reliable, and efficient systems. From writing clean code to performing vulnerability assessments, I ensure your tech foundation is both strong and protected.Proficient in Python, Bash, and web security toolsExperienced in identifying and patching security flawsFamiliar with secure architecture design and system hardeningClear communication, on-time delivery, and attention to detailIf you're looking for someone who takes security seriously and knows how to implement it in real projects — let’s work…
Aleksandr Dymytrev

Aleksandr Dymytrev

Ukraine

Cybersecurity & Data Protection · C & C++

0 0
72
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Web Application Security Tester focused on identifying real security risks in websites and web applications. I perform ethical vulnerability assessments based on OWASP standards and provide clear, structured reports with practical recommendations. Strong knowledge of Linux environments, including Kali Linux, and understanding of web technologies (HTML, CSS). Programming experience in C++ and Python supports deeper analysis and technical understanding. My goal is to help businesses detect weaknesses early and strengthen their security before issues become incidents.
Yaroslav

Yaroslav

Ukraine

Cybersecurity & Data Protection · PHP

14 0
5.0
314
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Since 2010, I have been continuously developing my expertise in computer technologies, web development (including WordPress), and information security (viruses, website protection). I am proficient in PHP and JavaScript and provide consulting on technical website optimization. As a freelancer, I solve a wide range of tasks that didn’t even exist before the Internet! I am also the author of unique scripts and methods in web development.
PHP Anti-Scanner — effective protection against hacker scanners
118
PHP Anti-Scanner — effective protection against hacker scanners
Cybersecurity & Data Protection
Automatic PHP-based website protection against vulnerability scanning: a simple and reliable PHP script that blocks suspicious bots via .htaccess, enhances the security of any web resource, reduces server load, and prevents unauthorized scanning of…
Albert Saaev

Albert Saaev

Turkey Plus

System & Network Administration · Cybersecurity & Data Protection

4 0
304
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Your Reliable IT Specialist Why Choose Me? ✓ Flexible Pricing Approach: The cost of services is open for discussion and tailored to the complexity and volume of work. Let's find a mutually satisfying solution. ✓ Diverse Experience: With over 10 years in IT infrastructure administration and support, from small to large projects, I guarantee efficiency and security for your system. ✓ Key Skills: Network Administration: Managing local networks, VPN, remote access, surveillance systems, security systems. Server Management: Experienced with Windows Server (2000, 2003, 2008), AD, DNS, DHCP, as well…
Volodymyr Manzhola

Volodymyr Manzhola

Ukraine

Cybersecurity & Data Protection · System & Network Administration

0 0
219
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About MeI am an engineer who combines solid development skills with deep expertise in computer networks. I handle a wide range of technical tasks: from building Telegram bots and Python automation to configuring complex network infrastructure and managing servers.My approach is based on precision, speed, and a strong focus on results. I take on only those projects that I can deliver with full quality and attention. Every client receives a turnkey solution with clear explanations and an easy-to-use final result.Experience and Specializations• Developed Telegram bots for various businesses:…
Ventie Ravelle

Ventie Ravelle

France

Cybersecurity & Data Protection · Web Programming

0 0
67
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I'm a cybersecurity learner and web developer with a focus on practical, real-world tasks. I work with security, research, websites, and small technical jobs. I approach tasks responsibly, think critically, and adapt to different needs. Open to freelance work related to web, security, research, or general tech help.
Mohammed Ayman

Mohammed Ayman

Egypt

Engineering · Cybersecurity & Data Protection

0 0
43
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Mohammed Ayman - Professional Profile & Capabilities Personal Overview Name: Mohammed Ayman Location: Egypt LinkedIn: Mohammed-Ayman Languages: Arabic (Native/C2), English (Fluent/C1), German (Intermediate/B1), French (Basics) Education & Academic Excellence Bachelor of Engineering (Computer Engineering): French University in Egypt (UFE) [Sep 2025 - Jun 2029]. Specializing in Cybersecurity. High School Diploma (STEM Track): Ismailia STEM High School [Sep 2022 - Jun 2025]. Graduated with high distinction (90.5%). Scholarship: Schneider Electric Scholar (Merit-based, focusing on…