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I need an experienced security-focused developer to run a full vulnerability assessment on my existing school management system. The platform already handles student and staff management, attendance tracking, grade reporting and several other modules, and I am primarily concerned about undiscovered system vulnerabilities that could put our data at risk. The project techstack: laravel, mysql, flutter. Here is what I expect: • Perform a comprehensive penetration test and code review, documenting every weakness you find. • Patch or otherwise mitigate each issue, whether it is an authentication flaw, data-leak risk, or logic bug. • Provide a concise report that explains the fixes applied and confirms that all critical alerts have been resolved. • Guide me through deploying the hardened build on our production server, staying available until it is live and stable. The work is needed ASAP, so please share a brief outline of your testing methodology (OWASP, automated scanners, manual review, etc.) and confirm your availability to start immediately.
Project ID: 40409833
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Active 12 days ago
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212 freelancers are bidding on average $13 USD/hour for this job

⭐⭐⭐⭐⭐ • Proposal: Secure & Deploy School Management System (Laravel/MySQL/Flutter) • Thank you for your posting, Valuable Client. CnELIndia is ready to deliver full vulnerability assessment, pen testing, code review, patching, and secure deployment. • Testing Methodology: OWASP Top 10 + ASVS standards; automated scans (Burp Suite, OWASP ZAP, SQLMap); manual review of Laravel routes, auth, MySQL queries, Flutter API calls; targeted exploitation of auth flaws, data leaks, logic bugs, and injection risks. • Immediate Availability: Team can start today (April 30, 2026) with full-time dedicated resources. • Project Execution: 1) Full assessment & documentation (Week 1). 2) Patch/mitigate every issue. 3) Deliver concise report confirming zero critical alerts. 4) Guide production deployment + post-go-live support until stable. • How CnELIndia Team Ensures Success: Assign senior Laravel security lead + Flutter specialist; parallel backend patching by 2 devs; QA validation; DevOps for zero-downtime rollout; daily client syncs. • Fixed price, 7-10 days turnaround. Let’s secure your data immediately—reply to proceed. (478 chars)
$12 USD in 40 days
9.0
9.0

Hello, I understand your need for a thorough security assessment of your Laravel-MySQL-Flutter school system. I will perform a full vulnerability assessment and code review, prioritizing critical authentication, data-leak, and logic weakness risks. The process combines OWASP-guided testing, automated scanning, and manual code review to ensure no blind spots, followed by patching and verification. I will document every finding with clear risk ratings, the fixes applied, and evidence that critical alerts are resolved. I will guide you step-by-step to deploy the hardened build on your production server and stay on-call until it’s live and stable. My approach includes: meticulous threat modeling, targeted tests on auth, data flows, and privilege checks; secure configuration and dependency review; automated scanning plus manual review for business logic; regression testing; and a concise final report with remediation details and verification results. I will provide a hardened deployment plan and assist during go-live until stabilization. What is your preferred exact timing window for the security window and what is the production server access process for a live deploy? I look forward to starting immediately and delivering a robust, secure system you can rely on. Best regards,
$25 USD in 27 days
8.7
8.7

Hi, I can perform a thorough penetration test and code review to identify any weaknesses. With over 8+ years of experience in Laravel and MySQL, I follow the OWASP methodology, utilizing automated scanners and manual review to ensure thorough testing. I will document each found vulnerability, implement fixes, and provide a concise report outlining the corrections made. Additionally, I’ll guide you through deploying the secured build on your production server, ensuring everything runs smoothly. I can start ASAP and am available to assist until the system is stable. Looking forward to your response! Best Regards, Priyanka
$12 USD in 40 days
8.4
8.4

Hey, I will run a full security audit on your Laravel/MySQL/Flutter school system — covering penetration testing, code review, and patching — then deploy the hardened build to production. For Laravel specifically, I will check mass assignment, SQL injection via raw queries, exposed debug routes, and insecure API tokens used by Flutter. These are common gaps in school platforms that automated scanners often miss. Questions: 1) Is the Laravel API using Sanctum or Passport for authentication? 2) Do you have a staging environment, or will testing happen directly on production? Send me a message and we can go over the details. Best regards, Kamran
$15 USD in 40 days
8.4
8.4

YES====>> Available to start immediately.==>>I will help secure your Laravel + MySQL + Flutter system with a full vulnerability assessment and remediation. I follow an OWASP-based approach—combining automated scans with deep manual testing (auth flows, API endpoints, data exposure, business logic flaws). I’ll document every issue, patch critical vulnerabilities, and deliver a clean report with fixes + deployment support to ensure your production build is fully hardened.
$14 USD in 40 days
8.1
8.1

Hi, I will conduct a thorough penetration test and code review of your school management system built on Laravel, MySQL, and Flutter. I will document all vulnerabilities, apply necessary patches, and provide a detailed report on the fixes implemented. I will guide you through the deployment process until the system is secure and stable. Let's discuss further. Regards, Sai Bhaskar
$10 USD in 40 days
7.7
7.7

I'm Asif and my team at Einnovention specializes in exactly what you need, a comprehensive vulnerability assessment and solution deployment. Our experience with Laravel and PHP, complemented by an expansive repertoire of other relevant skills including penetration testing and code review, empowers us to understand the nuances of your existing system. With us, you're guaranteed thoroughness in identifying and mitigating any issue including, but not limited to, authentication flaws, data-leak risks, or logic bugs. We excel at implementing industry-best practises including OWASP standards alongside automating tools and manual reviews. Rest assured that with our robust strategy in place, every single vulnerability will be addressed meticulously. Post-testing phase that entails generating precise reports regarding the identified vulnerabilities and presenting fool-proof solutions is also taken care of smoothly by us. Finally, our value extends beyond just the ability to perform a testing. Given how critical the security of your system is to you right now, it is important that mitigation fixes are implemented accurately. My team and I will guide you through deploying the hardened build on your production server. We promise precise yet friendly communication, bespoke project milestones and a steadfast commitment towards ensuring you have maximum control during this process. Choose us for an all-round seal of security for your school management system!
$12 USD in 40 days
7.8
7.8

Hello Greetings, **I am ready to start within a few hours.** After reviewing your project description, I feel confident and excited to work on this project for you. But I have some crucial things and queries to clear out. Please leave a message on chat so we can discuss this, and I can share my recent work similar to your requirements. Thanks for your time! I look forward to hearing from you soon. Best Regards.
$12 USD in 40 days
7.9
7.9

WILL SECURE YOUR SCHOOL SYSTEM BEFORE VULNERABILITIES BECOME INCIDENTS. I understand the urgency—your Laravel + MySQL + Flutter platform handles sensitive student/staff data, so a deep, real-world security audit + fixes is critical. With 12+ years in secure backend systems, I’ve hardened similar production platforms. Methodology (OWASP-Aligned): • Automated Scans: OWASP ZAP, Burp Suite for baseline detection • Manual Testing: Auth flows, role/permission bypass, IDOR, session handling • Code Review (Laravel): validation, ORM usage, SQL injection, XSS, CSRF, file uploads • API Security: token handling, rate limiting, data exposure • Mobile (Flutter): secure storage, API calls, certificate pinning check • Infrastructure: headers, SSL, environment configs What I’ll Deliver: • Full vulnerability report (severity, impact, reproduction steps) • Patched codebase (auth fixes, data protection, logic corrections) • Security hardening (headers, encryption, access control) • Deployment support + verification on production • Final validation: all critical/high issues resolved Key Focus Areas: • Authentication & session security • Data leakage prevention • Role-based access control • Input validation & sanitization • Performance-safe security fixes Timeline: 2–4 days (audit + fixes) I focus on practical security fixes, not just reports—ensuring your system is safe, stable, and compliant. Let’s secure your platform end-to-end.
$10 USD in 40 days
8.0
8.0

Hi there, As you already have a working school management system handling sensitive data like students, staff and grades, I understand the main concern here is making sure nothing is exposed or silently exploitable. We will go through the complete system from both backend (Laravel + MySQL) and mobile side (Flutter) to identify weak points — especially around login flows, APIs, database access, and any logic gaps that could lead to data leaks or misuse. Since this is a security-focused task, we will not just point out issues — we’ll also fix them and make sure the system is stable after every change, so you don’t end up with patch-after-patch confusion later. Once you share access, we can start immediately and first give you a quick risk overview so you know where things stand before we go into deep fixes. We would be good to connect once and align on access + deployment flow so we can start right away. Thanks, Rahul A.
$8 USD in 40 days
7.8
7.8

I AM NOT LIKE OTHER 99% OF SELLERS. YOU WILL PAY ONLY AFTER THE WORK IS COMPLETE, AND I ONLY FOCUS ON EXPLAINING WHAT I UNDERSTAND. PLEASE READ IT. I am going to start your project right now. I will conduct a full security assessment of your Laravel/MySQL/Flutter school management system, performing penetration testing, code review, and vulnerability scanning using OWASP best practices, automated tools, and manual analysis. I’ll document all findings, patch or mitigate every issue, provide a clear report, and guide you through deploying the hardened build to production, ensuring your student and staff data is fully protected.
$12 USD in 40 days
7.6
7.6

Hi there, I have read your project requirement and you need a comprehensive security audit and hardening of your Laravel + MySQL + Flutter-based school management system, including penetration testing, code review, vulnerability patching, and deployment support. We can perform a full security assessment using a combination of OWASP-based methodology, automated scanning tools, and manual code review to identify and fix vulnerabilities such as authentication flaws, API exposure risks, insecure data handling, and logic issues. We will deliver a secured, production-ready build along with a clear report of findings and fixes. A few quick questions: ================= Is your system currently live on production or staging (to plan safe testing)? Do you have API documentation or should we map endpoints during testing? Are there any third-party integrations (payment, SMS, etc.) that need security review? What is your hosting environment (VPS/cloud provider) for deployment support? Best Regards, Srashtasoft Team
$9 USD in 40 days
6.9
6.9

Hi there, I’ve reviewed your security testing needs and would be glad to assist. With 10+ years of experience in VAPT, vulnerability assessment, and web/app security testing, I help identify and fix critical security flaws before they become threats. You’ll get a detailed report, practical remediation steps, and complete confidentiality — following OWASP and industry best practices. Let’s connect to secure your application the right way! Best, Bhargav Security Specialist | VAPT & AppSec | 10+ Years Experience
$12 USD in 40 days
6.9
6.9

Hello, With 4 years of experience in PHP, Laravel, and Flutter, I specialize in web security, penetration testing, and data protection. I understand the requirements of your project to conduct a thorough vulnerability assessment on your school management system. I will perform a comprehensive penetration test, identify weaknesses, and provide detailed documentation of all vulnerabilities. I will then patch or mitigate each issue to ensure data security. Upon completion, I will deliver a concise report outlining the fixes applied and assist in deploying the secure build on your production server. I have the expertise to handle this project with precision. Let's connect in chat to discuss further details and how I can assist you in securing and deploying your school system. Best regards, Taimoor from Pixels Soft
$12 USD in 40 days
6.6
6.6

Hello, I can help secure your Laravel, MySQL and Flutter school system by reviewing the code, checking for weak spots and applying needed fixes in a clear and straightforward way. I focus on practical testing methods and simple explanations so you always know what was found and how it was resolved. I can outline the testing methods I use and support you through deployment until everything is stable, keeping the process easy to follow. Thanks, Teo
$25 USD in 20 days
6.5
6.5

Hello, I've worked on several Laravel-based platforms over the years, and school management systems in particular tend to accumulate technical debt in places that aren't obvious until something goes wrong. The combination of student records, staff data, and grade information makes this exactly the kind of system that deserves a thorough look before a problem surfaces. My approach starts with a manual code review of your Laravel backend, focusing on authentication flows, session handling, and how data moves between your API and the Flutter app. I'll also run your MySQL schema and query patterns through checks for injection risks and privilege escalation paths. Alongside the manual work, I use OWASP ZAP and Burp Suite for automated scanning, but I've found that tools alone miss a lot, especially logic-level bugs that only appear when you understand the business flow. Once I've mapped out the vulnerabilities, I'll patch each one directly in the codebase and document what was changed and why, in plain language. No vague summaries. You'll know exactly what was found and what was done about it. For deployment, I'll walk through the hardened build with you step by step and stay available until everything is stable on production. I don't hand off a report and disappear. I can start within 24 hours. Happy to jump on a quick call first if you'd like to walk me through the system before I begin. Thanks Dhruv
$12 USD in 40 days
7.3
7.3

Hi I can help you run a full security assessment and hardening process for your Laravel, MySQL, and Flutter-based school management system. The main risk here is that student/staff data, attendance records, grades, and admin modules may have hidden issues such as broken authentication, insecure API endpoints, IDOR, SQL injection, weak role permissions, or data exposure. I would review the Laravel backend, database access patterns, Flutter API communication, authentication flow, file uploads, role-based permissions, and server deployment configuration using OWASP-based testing, automated scanners, and manual code review. After identifying the issues, I can patch or mitigate them directly, retest the critical areas, and provide a clear report explaining what was found, what was fixed, and what still needs monitoring. I can also guide the production deployment carefully so the hardened build goes live without breaking the existing school workflows. I’m available to start right away and handle this with a security-first approach. Thanks, Hercules
$50 USD in 40 days
6.4
6.4

Hello, I am a security-focused Laravel and Flutter developer with experience in application hardening, OWASP-based penetration testing, and production deployment of secure systems handling sensitive academic data. I will conduct a full security assessment of your school management system, including OWASP Top 10 compliance testing, authentication and authorization review, API endpoint testing, SQL injection/XSS/CSRF checks, session security validation, and file upload vulnerability analysis. I will combine automated scanning tools with manual code review to identify both technical and logic-level vulnerabilities across Laravel backend, MySQL database layer, and Flutter frontend/API interactions. After identification, I will patch or mitigate all critical and high-risk issues directly in the codebase, ensuring secure authentication flows, proper role-based access control, encrypted sensitive data handling, and hardened API endpoints. I will also validate fixes through re-testing and regression checks. Finally, I will assist with secure production deployment, including environment configuration review, server hardening recommendations, and a clean go-live checklist, along with a concise security report documenting all findings and resolutions. Thanks, Asif.
$15 USD in 40 days
6.5
6.5

As an experienced Full Stack Developer specializing in PHP and Laravel, I'm keen on ensuring the security and stability of your school management system. With over 6 years in the field, I’ve had extensive involvement with projects that encompass vulnerability assessments, penetration testing, and code reviews - all part of my standard process. My testing methodology combines automated scans with thorough manual reviews to detect and address potential risks according to the OWASP standards. Additionally, staying up-to-date with the latest in cybersecurity practices has become a personal obsession. This offers me a unique advantage in identifying any existing vulnerabilities that may have gone unnoticed and providing appropriate fixes. I approach projects with a mindset highly focused on minimizing data-leak risks, authentication flaws, and logic bugs - ensuring your system is as secure as possible. Moreover, my expertise extends to guiding clients through smooth deployments on production servers – a crucial skillset for this project. From hardening the software to making it live and stable, I prioritize ensuring my clients are confident with every step taken towards deployment. Considering my experience, technical skills & ability to deliver results- we can ensure not only data security but also high performance for your school system. Let’s get started!
$8 USD in 1 day
6.1
6.1

Greetings, I'm a full stack developer with 10+ years of experience, I can run a full security audit on your Laravel + MySQL + Flutter system using OWASP methodology (automated scans + deep manual testing), identify vulnerabilities, and patch issues including auth flaws, data exposure, and logic risks. Why work with me? ★ Proven track record: 73 successful projects with 5-star reviews ★ Expertise in Node.js, Angular, React, Express, Python, Django, Flask, PHP, WordPress, Laravel, Codeigniter and more ★ Responsive, deadline-focused, and committed to results ★ 3 months of free post-launch support Let’s schedule a quick chat to discuss your preferred tech stack, timelines, and launch goals. I’m confident I can bring your vision to life. Best regards, Samar H.
$12 USD in 10 days
6.1
6.1

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