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Scope of Work * Perform security assessment of web application (Python/Django) and APIs * Test authentication, authorization (RBAC), and session management * Identify vulnerabilities (e.g., SQLi, XSS, command injection, API abuse) * Assess Linux and Windows endpoint agents for: * Privilege escalation risks * Service configuration and permissions * Secure communication (TLS) * Evaluate on-prem server security: * Open ports/services * OS hardening * User access and permissions * Conduct network security testing: * Data in transit (encryption) * Internal communication paths * Review installation and deployment process: * RPM/package security * Configurations and secrets handling ⸻ Deliverables * Detailed security report with severity ratings * Proof of concept (PoC) for findings * Remediation recommendations * Optional retest after fixes ⸻ Required Experience * Web application & API penetration testing * Linux and Windows system security * Endpoint/agent security (preferred) * Experience with on-prem environments ⸻ Nice to Have * Experience with OT/SCADA environments * Familiarity with NERC CIP or compliance frameworks
Project ID: 40416543
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165 freelancers are bidding on average $1,102 USD for this job

Hello, I understand you need a comprehensive security assessment for a Python/Django web app, APIs, endpoints, and on-prem/infrastructure with clear findings and practical fixes. I will perform an end‑to‑end security review across web, API, OS, network, and deployment layers, deliver a detailed risk report with PoCs, and provide prioritized remediation steps and optional retesting. Approach: - Web/API: test authentication, RBAC, session mgmt, input validation, and API abuse; identify SQLi, XSS, command injection, and misconfigurations. - Endpoints: evaluate privilege escalation, service permissions, TLS config, secret handling, and OS hardening on Linux/Windows agents. - On‑prem: map open ports, misconfigurations, user access, and OS baseline compliance. - Network: inspect data in transit, internal paths, and encryption gaps. - Deployment: assess package security, config hardening, secrets storage, and CI/CD risks. - Deliverables: a structured security report with severity ratings, PoCs, remediation steps, and optional retest. What you get: - Clear risk rating and actionable fixes aligned to your environment - Practical PoCs to verify each finding in your test or staging setup - Roadmap for remediation with estimated effort and ownership What is the preferred time window for the engagement and access to the environments (production, staging, on‑prem, cloud) to ensure a thorough, non‑disruptive assessment? Best regards,
$1,500 USD in 16 days
8.3
8.3

Hey, This looks like a proper security audit, not just a quick scan. I’ve worked with Django apps and APIs where the main issues were around auth flows, RBAC gaps, and injection risks. My usual approach is to manually test critical paths first (auth, session handling, API endpoints) then go deeper into things like privilege escalation, misconfigurations, and service exposure on the server level. I’m also comfortable reviewing deployment setups, secrets handling, and TLS configs, not just the app layer. You’ll get a clear report with real findings, proof where needed, and practical fixes not just theory. Kindly contact me for further discussion.
$1,500 USD in 7 days
7.9
7.9

SURE------I will do it in effective manner Comprehensive Web & System Security Assessment -------------- I am highly appreciative to work on this specific task I can do my best. I am an Innovative Python/Full stack developer having rich experience with so many successful Tasks. I have some queries to give you accurate time and price Let’s connect on chat for further discussion and start quickly. Thanks!!
$1,100 USD in 7 days
7.5
7.5

Hello, Thank you for the detailed scope — this aligns closely with my experience in web, API, and system-level penetration testing. I’m Md Shofiur, a Certified Ethical Hacker with 10+ years of experience assessing Python/Django applications, APIs, Linux/Windows systems, and on-prem environments. Approach: Web & API testing: authentication, RBAC, session management, SQLi, XSS, injection, API abuse Endpoint agents: privilege escalation, service configuration, permissions, secure TLS communication Server security: open ports/services, OS hardening, user access controls Network testing: data-in-transit security, internal communication paths Deployment review: package integrity, configuration, and secrets handling All findings will be validated with PoC, risk-rated, and include clear remediation steps. Quick questions: Is there a staging environment, or will testing be on production? Scope size (apps, agents, servers)? Will authenticated access be provided? I’m ready to start immediately once access is confirmed. Best regards, Md Shofiur
$1,500 USD in 14 days
7.4
7.4

Hi, This is Elias from Miami. I have checked your project description and understand that you're looking for a comprehensive security assessment of your web application built on Python/Django, including testing for authentication and APIs. With over 10 years of experience in web development and a strong focus on security, I've conducted numerous assessments to ensure applications are robust against vulnerabilities. I use a methodical approach that includes automated tools and manual testing to identify potential risks. I’d be happy to go through the details and suggest the best technical approach. To ensure I fully understand your needs, I have a few questions for clarification: Q1 – What specific user roles should I focus on when testing authentication? Q2 – Are there any existing security tools or systems in place that I should be aware of? Q3 – What are your primary concerns regarding the APIs that need special attention during the assessment? Looking forward to hearing from you.
$1,000 USD in 5 days
6.9
6.9

Hi there, I will assess your Python/Django web app, REST APIs and on‑prem servers for authentication/RBAC flaws, API abuse, TLS gaps and endpoint agent privilege escalation, my background in Linux/Windows hardening and web security fits this scope. - Deliverable: full penetration test report with CVSS-style severity ratings and PoC for each critical/high finding - Deliverable: remediation plan with exact fixes (Django auth/session hardening, API rate limits, input sanitization, RPM/package signing checks) - Optional: retest and verification after fixes (if requested) - Risk control: backup checkpoint and staged testing to ensure minimal downtime and safe rollback Skills: ✅ Python/Django ✅ REST API testing ✅ Linux & Windows endpoint security ✅ TLS/encryption and network transport ✅ RPM/package & deployment hardening Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start immediately; Is this assessment to be performed against live production systems or will you provide a staged/testing environment? Best regards,
$1,200 USD in 7 days
6.7
6.7

Hi I can perform a structured security assessment across your Django web application, APIs, endpoint agents, on-prem servers, and internal network paths. The main technical challenge is covering both application-layer risks and system-level weaknesses, including RBAC flaws, session issues, injection risks, privilege escalation, insecure services, and secrets handling. I can test authentication, authorization, API abuse cases, SQLi, XSS, command injection, TLS configuration, package/RPM security, open ports, OS hardening, and Linux/Windows agent permissions. I’m comfortable with web/API penetration testing, Linux and Windows security review, on-prem environments, secure deployment checks, and clear vulnerability documentation. For each confirmed issue, I can provide severity ratings, reproduction steps, PoC evidence, business impact, and practical remediation guidance. I can also support an optional retest after fixes to confirm the risks have been properly resolved. Thanks, Hercules
$1,500 USD in 7 days
6.6
6.6

With over a decade of experience in full-stack architecture and high-scale systems, I understand the importance of conducting a Comprehensive Web & System Security Assessment for your project. Your goal of ensuring the security and integrity of your web application, APIs, and server infrastructure is crucial in today's digital landscape. My background in scaling systems for over 1 million users and expertise in high-security FinTech solutions directly applies to the challenges of performing a detailed security assessment. I have a proven track record of identifying vulnerabilities, implementing secure communication protocols, and providing remediation recommendations to enhance system security. A strategic insight for your project would be to prioritize regular security assessments and updates to stay ahead of potential threats. With my experience in conducting penetration testing and securing Linux and Windows systems, I am confident in my ability to deliver a comprehensive security report with actionable insights for your organization. I encourage you to reach out so we can discuss the roadmap for your project in more detail. I am excited about the opportunity to work together and ensure the security of your systems.
$1,200 USD in 20 days
6.3
6.3

Hi, I’ve reviewed your Comprehensive Web & System Security Assessment needs. Here’s my understanding and approach in plain, practical terms: You want a thorough security check of your Django-based web app and its APIs, including authentication, RBAC, and session handling, plus a scan of endpoints and OS agents on Linux/Windows for privilege risks, config issues, and TLS hardening. I’ll perform targeted testing for common web flaws (SQLi, XSS, command injection, API abuse), assess on‑prem servers (open ports, hardening, user permissions), review data in transit and internal paths, and examine the deployment process for secure package handling and secrets management. Deliverables will be a detailed severity-rated report, supported PoCs, actionable remediations, and optional retesting after fixes. I’ll tailor the testing scope to your on‑prem and OT/SCADA familiarity as needed, while keeping the process transparent and collaborative. What is your top priority for this assessment: reducing critical risk in web APIs and authentication weaknesses, or hardening on‑prem endpoint security and deployment processes, and what is your ideal timeline for remediation? I propose a structured engagement: discovery and scoping, controlled testing with safe test gates, remediation planning, and final verification. I’ll provide clear, prioritized fixes and a concise executive summary for stakeholders. I’ll also include practical, reproducible PoCs to demonstrate each finding and document risk
$1,500 USD in 27 days
6.1
6.1

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
$750 USD in 7 days
6.5
6.5

WILL SECURE YOUR PLATFORM END-TO-END WITH ACTIONABLE, REAL-WORLD PENETRATION TESTING. With 12+ years in security and full-stack systems, we conduct deep assessments across web apps, APIs, endpoints, and on-prem infrastructure—delivering clear risks and fix-ready solutions. Scope (Concise): Web & API Security: Django app audit, auth/RBAC/session testing, SQLi, XSS, injection, API abus Endpoint Review: Linux/Windows agents → privilege escalation, service configs, TLS validation Server Hardening: Open ports, OS configs, access control, permissions Network Testing: Encryption, internal traffic paths, data exposure risks Deployment Audit: Package (RPM) security, secrets handling, config flaws Deliverables: Detailed report (severity-based) Proof of Concepts (PoCs) Clear remediation steps Optional retesting after fixes Focused on practical, exploitable findings—not just theory. Ready to start immediately.
$1,000 USD in 20 days
6.2
6.2

As a versatile professional with extensive experience in software development, network security, and especially, cybersecurity, I believe I am uniquely qualified to tackle your Comprehensive Web & System Security Assessment project. Having achieved a degree in Software Engineering and Information Systems and worked across multiple domains, including comprehensive threat analysis, vulnerability assessments and penetration testing, my skill-set aligns perfectly with the challenges your project entails. Moreover, my proficiency extends to both Linux and Windows systems as well as designing secure network architectures using Cisco technologies – which precisely matches your requirement for assessing endpoint security and securing data in transit. With an understanding of embedded systems programming too, I also grasp the complexities involved in OT/SCADA environments if required. Leveraging my proven track record of delivering high-quality software solutions and my solid grasp of compliance frameworks like NERC CIP (which closely echoes the work you need), I assure you that not only will I provide a detailed security report with severity ratings but I'll also offer efficient remediation recommendations. As an exciting extra, if needed, I can provide you with proof of concept for any vulnerabilities I spot and nimble retesting after fixes have been implemented.
$1,233.33 USD in 2 days
5.9
5.9

Hi, I have strong hands-on experience in web application and API security testing, including Python/Django systems, with a focus on authentication flows, RBAC, session management, and real-world exploitation techniques used in penetration testing environments. For this project, I will perform a full security assessment of your Django web application and APIs, covering authentication, authorization, and session handling, along with testing for common and advanced vulnerabilities such as SQL injection, XSS, command injection, and API abuse scenarios. I will also review Linux and Windows endpoint agents for privilege escalation risks, service misconfigurations, insecure permissions, and TLS communication issues. On the infrastructure side, I will assess on-prem servers for exposed services, OS hardening gaps, and insecure user access, along with reviewing network communication paths and encryption in transit. I will additionally evaluate deployment and installation processes, including package integrity (RPM), configuration security, and secrets handling. The deliverable will be a clear, structured security report with severity ratings, reproducible proof-of-concept findings, and practical remediation steps. If needed, I can also perform a retest after fixes to confirm vulnerabilities are properly resolved. Best regards, Juan
$1,000 USD in 7 days
5.8
5.8

Hello, I will conduct a comprehensive security assessment of your web application, APIs, endpoints, and on-prem infrastructure with a structured penetration testing approach aligned to industry security standards. The focus will be on identifying real exploitable risks, not just theoretical issues. I will test authentication, RBAC, session handling, and core application logic, along with vulnerability analysis for SQL injection, XSS, command injection, and API abuse scenarios. In parallel, I will review Linux and Windows agents for privilege escalation risks, service misconfigurations, and insecure permissions. On the infrastructure side, I will assess exposed services, OS hardening, network communication paths, encryption in transit, and deployment/package security including secrets handling. Each finding will include severity rating, clear impact explanation, and actionable remediation steps. Deliverables will include a professional security report, proof-of-concept evidence where applicable, and optional retesting after fixes. Timeline: 7–10 days depending on system size. Thanks, Asif
$1,500 USD in 11 days
5.5
5.5

Hi, I’m a Cybersecurity & VAPT Specialist (CISA Certified) with 16+ years of experience in securing web applications, APIs, and hybrid infrastructure environments. I can perform a full end-to-end security assessment of your Python/Django platform, APIs, endpoint agents, and on-prem servers to identify real-world attack paths and remediation priorities. Scope Coverage: • Web & API Penetration Testing (OWASP Top 10, auth/RBAC, sessions, API abuse) • Vulnerability validation (SQLi, XSS, RCE, command injection, misconfigurations) • Linux + Windows endpoint agent review (privilege escalation, service perms, TLS security) • On-prem server hardening review (ports, access control, OS configs) • Network testing (encryption in transit, internal communication paths) • Deployment & package review (RPM integrity, secrets/config handling) Deliverables: • Detailed report with severity/CVSS scoring • PoC evidence (screenshots/logs) • Clear remediation roadmap I can start immediately and will ensure all findings are actionable, verified, and documented professionally. Best regards, SaD
$1,500 USD in 7 days
5.3
5.3

I can help with this, I will perform a full security assessment across your Django application, APIs, endpoint agents, and on-prem infrastructure — covering OWASP Top 10, RBAC bypass testing, privilege escalation, and network-level analysis. For the endpoint agents, I will specifically test inter-process communication and service permission boundaries on both Linux and Windows — misconfigurations in systemd unit files or Windows service ACLs are common escalation vectors that automated scanners typically miss. I will also verify RPM package integrity and secrets handling in your deployment pipeline. Questions: 1) Is the Django app using DRF for APIs, and do you have Swagger/OpenAPI docs available for the endpoints? 2) Do you have a staging environment for testing, or will this be scoped against production with rules of engagement? Ready to start whenever you are. Kamran
$834 USD in 13 days
5.5
5.5

Hi there, I’ve read your comprehensive Web & System Security Assessment brief and I’m confident I can deliver a thorough, actionable security posture for your Python/Django web app, APIs, endpoints, and on-prem infrastructure. With 15+ years in full-stack development and security-focused delivery, I’ve led multi-layer assessments across web apps, APIs, Linux/Windows endpoints, and on-prem environments, delivering risk-based remediations and concrete PoCs that accelerate mitigation. My approach combines targeted web/API testing (RBAC, session management, and common injection flaws), endpoint hardening checks (privilege escalation, service configurations, TLS hygiene), and network data-in-transit assessments. I’ll also review packaging/deployment security (RPMs, configs, secrets handling) and provide a prioritized remediation plan aligned to your environment, with optional retests to verify fixes. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. The deliverables will include a detailed security report with severities, concrete PoCs, remediation guidance, and a retest option if you choose. What are your top priorities for risk reduction (e.g., critical web/API flaws, endpoint TLS hardening, or on-prem OS hardening) and are there any regulatory requirements we should align with during the assessment? Best regards, Asad
$750 USD in 20 days
5.5
5.5

My name is Asim, a highly skilled software engineer specializing in web application and system security. My experience with Python and Linux will prove invaluable in this project as I am adept at carrying out effective security assessments and identifying vulnerabilities such as SQLi and XSS, which are specifically mentioned in the project description. Adding to my value as a candidate, I also possess a deep understanding of Linux and Windows system security and have previously conducted endpoint/agent security evaluations, making me the perfect fit for this comprehensive assessment task. I appreciate that your goal is to receive a detailed report with proof of concept, remediation recommendations, and an optional retest upon fixing any identified issues - all of which I am well-equipped to deliver. In summary, you can rely on my expertise in web application and system security, proficiency with Linux, Python, outstanding track record for delivering clean code, intuitive UI, and secure solutions, to provide you with an excellent service on your Comprehensive Web & System Security Assessment project. Let's collaborate effectively to evaluate and enhance the security of your systems maximally.
$1,125 USD in 15 days
5.0
5.0

Hello! I'll conduct a full security assessment of your Python/Django web application and APIs, covering SQLi, XSS, command injection, authentication and RBAC flaws, Linux endpoint hardening, open port enumeration, TLS configuration, and RPM/package security, then deliver a detailed report with severity ratings, proof-of-concept documentation, and prioritized remediation recommendations. Any specific compliance frameworks or internal tools I should factor into the scope?
$1,200 USD in 14 days
5.4
5.4

Hello, I’m a Python developer with 6+ years of experience, specializing in Django for building reliable and scalable backend systems. I also work as a full stack developer, delivering clean and maintainable solutions end to end. I have hands-on exposure to OT and SCADA environments, including working with industrial data flows and secure system integrations. I’m also familiar with NERC CIP standards, particularly around access control, system monitoring, and secure data handling practices. I’m ready to start immediately and would be glad to contribute to your project.
$750 USD in 14 days
5.0
5.0

Atlanta, United States
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