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$25/hr
$3K+ earned
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🔍 Penetration Testing Specialist 🐞
Hallo! I am a dedicated Penetration Testing Specialist on a mission to safeguard your digital assets and fortify your online presence. I approach cybersecurity from a results-driven perspective and have a track record that includes an excellent 80% vulnerability detection rate.
Focus on Vulnerability Assessments & Penetration Testing 👨💻 (VAPT)
🌐 Web Application Penetration Testing
📱 Mobile Application Penetration Testing
🖥️ Desktop Application Penetration Testing
📝 CMS Security Testing
🔐 API Security Assessment
☁️ Cloud Penetration Testing
📶 Network Segment Testing
📡 Wireless Network Security Testing
🤖 IoT (Internet of Things) Security Assessment
💬 Social Engineering Assessments
💥 Red Teaming
📖 Security Awareness Training
🛠️ Customized Security Solutions
Why Choose Me?
🛡️ Proven Methodology: Count on my effective testing approach to shield your digital space from potential threats.
💡 Peace of Mind: Relax, knowing your business operates securely, efficiently, and with top-notch protection.
⚔️ Competitive Services: Black-Gray-White Penetration Testing, API Security Assessment, CMS Security Testing, Cloud Penetration Testing and more... I've got your security needs covered.
🎓 Obtained Certificate: Burp Suite Certificate Practitioner (BSCP) + Offensive Security Certified Professional (OSCP) + CREST Registered Penetration Tester (CRT)
My Approach:
1️⃣ Discovery & Scoping: Pinpoint the weak links in your digital defenses.
2️⃣ Penetration Testing & Vulnerability Analysis: Dive deep into the battle, uncovering vulnerabilities.
3️⃣ Reporting & Retesting: Receive detailed reports and retesting to confirm your security.
⭐️Mitigation & Enhancement: Work together to fortify your defenses.
⭐️Free Retesting: Ensuring you stay impenetrable.
What are you waiting for? Ready to Elevate Your Security 💀💀💀?
👉 Propel Your Business To The Next Level. Let's connect for a comprehensive cybersecurity assessment.
Quan N.
has worked
.
$50/hr
$200 earned
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🏆 Expert level | 🌍 20+ Years Global Experience | 👨🏫 300K+ Students Trained | 🔒 Cybersecurity & Cloud Architect | 💻 Top instructor on Udemy
☁️ AWS | Azure | GCP | 🛡 DevSecOps | Penetration Testing | Compliance
Are you struggling with cloud security gaps, compliance readiness, or scaling challenges?
You’re not alone and I’ve been solving these challenges for startups, enterprises, and regulated industries across 5 continents for over two decades.
I help organizations secure, scale, and optimize their infrastructure from penetration testing and Zero Trust design to DevOps automation, cloud modernization, and cost optimization.
🔐 WHAT I DELIVER ??
✅ Multi-cloud architecture (AWS, Azure, GCP)
✅ Infrastructure as Code (Terraform, CloudFormation, Ansible)
✅ CI/CD, Docker, Kubernetes, cloud-native deployments
✅ Penetration testing (apps, APIs, networks)
✅ Cloud Security Posture Management (CSPM)
✅ Zero Trust & IAM frameworks
✅ SIEM/SOC setup & incident response
✅ Compliance readiness (HIPAA, ISO 27001, GDPR)
✅ Cloud cost optimization (FinOps)
💡 WHY CLIENTS TRUST ME ??
20+ years delivering audit ready, scalable, and secure systems for banks, governments, healthcare, and SaaS
Built secure cloud ecosystems for hospitals, fintechs & global startups
Instructor to 300K+ students on Udemy (Ethical Hacking, DevSecOps)
Published author & conference speaker on cybersecurity and cloud best practices
Track record in risk reduction, scalability, and compliance success
📩 If your project demands enterprise grade security, cloud optimization, or DevOps excellence?
Message me or send an invite for a fast, confidential discovery call.
#CloudSecurity #AWSConsultant #DevSecOps #PenetrationTesting #Terraform #CybersecurityArchitect #KubernetesExpert #AzureSecurity #CloudOptimization
Anand Rao N.
has worked
.
Associated with
Neoedx GmbH
$25/hr
100%
Job Success
$6K+ earned
Offers consultations
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As a Certified Penetration Tester with 8+ years of cybersecurity experience, I help businesses identify and eliminate critical vulnerabilities before attackers do. I've secured systems for Fortune 100 companies and specialize in comprehensive security assessments across web applications, cloud environments, APIs, networks, and mobile platforms.
My Services
🔍 Web Application Penetration Testing
- OWASP Top 10 vulnerability assessment
- Authentication and session management testing
- Business logic flaw identification
☁️ Cloud Security Assessments
- AWS, Azure, GCP configuration reviews
- IAM policy analysis and privilege escalation testing
- Container and serverless security evaluation
🔗 API Security Testing
- REST/GraphQL API vulnerability assessment
- Authentication bypass and injection testing
- Rate limiting and business logic validation
🌐 Network Penetration Testing
- Internal and external network assessments
- Active Directory security evaluation
- Wireless network security testing
📱 Mobile Application Security
- iOS and Android application testing
- Static and dynamic analysis (SAST/DAST)
- Backend API integration security
Certifications & Expertise
✅ Offensive Security Web Expert (OSWE)
✅ Offensive Security Experienced Penetration Tester (OSEP)
✅ Offensive Security Certified Professional (OSCP)
✅ Certified Red Team Operator (CRTO)
✅ Certified Bug Bounty Hunter (CBBH)
What You Get
- Detailed Reports: Comprehensive findings with proof-of-concept exploits
- Actionable Remediation: Step-by-step fix instructions with priority rankings
- Fast Turnaround: Reports delivered within 48-72 hours
- Ongoing Support: Free retesting after vulnerability patches
- Compliance Ready: Reports aligned with PCI DSS, SOC 2, and industry standards
Tools & Methodology
I leverage industry-standard tools including Burp Suite Pro, Metasploit, Cobalt Strike, and custom scripts. My testing follows NIST SP 800-115 and OWASP guidelines, ensuring thorough coverage through black-box, gray-box, and white-box testing approaches.
Recent Success Story
Recently helped a fintech client identify 12 critical vulnerabilities in their payment processing system, including SQL injection flaws that could have exposed customer financial data. All issues were remediated within 2 weeks of report delivery.
Ready to secure your digital assets?
Send me a message with your project details for a free 15-minute security consultation. I typically respond within 2 hours and can start most projects within 48 hours.
Keywords: penetration testing, cybersecurity, vulnerability assessment, web application security, cloud security, API testing, network security, mobile security, OWASP, security audit, compliance testing
Ali Z.
has worked
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$70/hr
$100K+ earned
Offers consultations
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Cybersecurity Expert working in the industry since 2008. Delivers security audits and security consulting services. Specializes in following areas:
1. Conducting Web Applications penetration testing,
2. Conducting security audits of cloud-based environments (AWS, Azure) and recommending on hardening strategies,
3. Conducting ISO 27001 gap assessments and internal audits,
4. Conducting Threat Modeling and Risk Analysis,
5. Performing Adversary Simulations and Red Team Exercises to verify prevention, detection and response capabilities of mature cybersecurity programs (TLPT, TIBER-EU).
Mariusz holds following security industry certifications:
1. CISSP - Certified Information Systems Security Professional: since 2014
2. OSCP - Offensive Security Certified Professional: since 2016
3. GXPN - GIAC Exploit Researcher and Advanced Penetration Tester: since 2017
4. Certified ISO 27001 Lead Auditor: since 2024
During the years of working with clients worldwide Mariusz conducted over 100 security assessments, penetration tests and analysis projects.
Mariusz Z.
has worked
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$50/hr
100%
Job Success
$4K+ earned
Offers consultations
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⭐️⭐️⭐️💪💪💪 Partner with me to establish a robust cybersecurity posture. 💪💪💪⭐️⭐️⭐️
⭐️I'm a passionate cybersecurity engineer committed to safeguarding your digital assets. I'll confidently identify and address potential threats, ensuring your business's resilience. My expertise in risk assessment, network security, data privacy, and incident response will provide you with tailored solutions to protect your valuable information. Let's collaborate to build a secure digital future.
🎖️ Over my career, I have reduced security risks by implementing physical access controls and a multi-layer security system that includes antispyware and antivirus software.
🌟 My area of expertise lies in—
✅ Designing and implementing an incident response plan, conducting risk assessments, and developing business continuity plans.
✅ Identifying and exploiting security vulnerabilities in computer systems and networks.
✅ OT Cybersecurity Analyst (SCADA / ICS / Network Security)
✅ Preventing data breaches and protecting the privacy of businesses and customers.
✅ Worked on several penetration testing engagements, including source code reviews, wireless
assessments, and vulnerability assessments.
✅ Skilled in security tools such as Nessus, Netcat, Wireshark, Acunetix, HostedScans, and Metasploit.
✅ Incident response tools such as SEIM, EDR, XDR, MDR, IDS, and IPS.
✅OSINT Research and investigation
✅ Hands-on experience in specific areas, including ethical hacking, vulnerability assessment, and network security.
✅SOC (System and Organization Controls) 2 Audits.
✅Business Resilience Plan
✅Excellent knowledge of security regulations such as PCI-DSS, HIPAA, SEC, and NIST.
✅ Web Application Penetration Testing
✅ Infrastructure and Database Management with Continuous Monitoring
✅ Mobile app (Android & IOS) penetration testing
✅ API Penetration Testing
✅ Network Penetration Testing
✅ Troubleshooting Server and Network issues
✅ OpenVAS and OWASP Top 10
I invite you to collaborate with me, as I will implement streamlined frameworks, methods, and processes to ensure a smooth workflow. By partnering together, we can develop efficient strategies that facilitate seamless execution and enhance our overall effectiveness. With a focus on delivering structured methodologies, I am committed to fostering a collaborative environment that drives success and achieves our goals.
$40/hr
100%
Job Success
$3K+ earned
Offers consultations
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💥 INE Certified Ethical Hacker & Red Teamer | 8+ Years Experience Securing Government & Enterprise Systems
I help businesses uncover and fix critical vulnerabilities before attackers exploit them. My work has protected clients ranging from SaaS startups to high-security agencies.
What I Deliver:
✅ Red Team Operations – Adversary simulation, persistence, and lateral movement
✅ Web & API Penetration Testing – OWASP Top 10, SQLi, XSS, auth bypass, logic flaws
✅ Cloud & Endpoint Security Assessments – Real-world attack chains, misconfig exploitation
✅ Custom Tools (Python/Golang) – Automated exploit scripts, reporting pipelines
Certifications: eJPT, TCM Practical Ethical Hacking, TryHackMe Advent of Cyber, CRTO1 & 2 (in progress)
What Clients Say:
“Kaleab was professional, meticulous, and uncovered critical vulnerabilities others missed. His reports were clear, actionable, and saved us serious risk.”
⚔ Whether you need a one-off penetration test or a full red team engagement, I deliver clear results, actionable fixes, and executive-ready reports.
📩 Let’s lock down your systems before the attackers get in.
Kaleab A.
has worked
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$100/hr
65%
Job Success
$4K+ earned
Offers consultations
Start of list.
End of list.
I’m an Offensive Security Specialist with over a decade of experience helping organizations identify exploitable vulnerabilities and real-world attack paths before adversaries do.
As the founder of Packet Wanderer Security, I provide focused penetration testing and adversary simulation services across modern web platforms, SaaS environments, and enterprise infrastructure.
My engagements combine deep technical testing with clear, actionable reporting, helping engineering teams and leadership understand where real security risks exist and how they can be remediated.
Most engagements are scoped and delivered as fixed-price penetration testing assessments, ensuring clear expectations, well-defined scope, and predictable outcomes.
Core Services
• Web Application & API Penetration Testing
OWASP Top 10, authentication flows, authorization flaws, IDOR, business logic issues
• SaaS Platform Security Assessments
Gateway trust boundaries, token lifecycle validation, multi-service authentication
• Red Team & Adversary Simulation
Realistic attack-path testing across infrastructure, identity systems, and applications
• Privilege Escalation & Post-Exploitation
Active Directory, Linux/Windows privilege escalation, lateral movement simulation
What Clients Receive
Every engagement includes:
• A structured penetration testing report suitable for engineering and management
• Proof-of-concept validation of exploitable issues
• Risk-prioritized remediation guidance
• Optional discussion of findings with the development or security team
Typical Engagements
• SaaS platform penetration testing
• API security assessments
• External attack surface reviews
• Authentication and authorization testing
• CMS and web platform security reviews
Approach
All testing is conducted ethically and within the agreed scope.
I focus on high-signal security testing — identifying the vulnerabilities that matter most rather than producing automated scanner output.
Alex R.
has worked
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$35/hr
100%
Job Success
Available now
Offers consultations
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Hi, I’m an experienced IT Consultant, Ethical Hacker, Software Engineer, and System Administrator with over 5 years of hands on experience in IT infrastructure, cybersecurity, digital forensics and IT consultation for businesses of all sizes & individuals.
My Expertise:
✅ WebApp Security & Hardening
Hardening and ongoing monitoring to protect websites.
✅ Compliance & Security Frameworks
Support for NIST, ISO 27001, CIS Controls, GDPR, HIPAA, PCI-DSS, SOC 2 with risk assessments and implementation guidance.
✅ Malware Analysis & Reverse Engineering
Dynamic & Static analysis using tools like PEStudio, Ghidra, DIE, Cuckoo Sandbox, Any.Run, Tri-age , Binary Ninja, IDA, dnSpy.
✅ Network Administration & Configuration
Configure and manage routers, switches, VPNs, and network devices to ensure a secure, reliable network infrastructure.
✅ Penetration Testing (Web Apps & Networks)
Comprehensive vulnerability assessments and penetration testing using industry standard tools including Burp Suite, Kali Linux, OWASP ZAP, Metasploit, Nmap, Wireshark, Nikto, SQLmap, and Nessus to identify and remediate security weaknesses before they can be exploited.
✅ OpenClaw Hardening & Cross-Platform Configuration
Implemented secure OpenClaw deployments with OS-level firewall rules, sandboxed execution, permission management, and runtime validation across macOS and Windows systems.
✅ Windows Server 2025 Administration
Install, configure, and manage Windows Server 2025, including Active Directory, Group Policies, and server side management.
✅ Endpoint Protection (EDR, Antivirus, Firewalls & WAF)
Deploy and configure endpoint protection tools like EDR, Antivirus, Firewalls, and WAF for end-to-end security.
✅ OSINT & Threat Intelligence
Conduct open source intelligence gathering to assess security threats, investigate digital footprints, and provide actionable insights for risk mitigation and cybersecurity planning.
✅ Secure System Setup (Windows/Linux)
Set up secure environments for both Windows and Linux systems.
✅ Security Automation & Optimization
Automate security workflows using tools like Ansible and Splunk to improve efficiency.
✅ Security Policies, Playbooks & SOPs
Create custom security documentation, playbooks, and standard operating procedures.
✅ Web Application Security
Experienced in security testing with tools like Burp Suite, OWASP ZAP, Kali Linux.
✅ Privacy Consulting & Secure Communication
Provide guidance on secure communication tools and privacy best practices.
✅ Cybersecurity & Tech Writing
Create educational content, training materials, and security documentation for organizations.
✅ Malware Incident Response
Handle malware incidents, from containment to countermeasures.
✅ DLP (Data Loss Prevention)
Implement DLP strategies to prevent data leakage and safeguard sensitive information using tools like Symantec DLP and Digital Guardian , Microsoft purview.
✅ AI/LLM Security Testing (OWASP Top 10 for LLMs 2025)
Assess security risks in AI systems and Large Language Models (LLMs), identifying vulnerabilities to prevent adversarial attacks and data leaks.
✅ Digital Forensics & Malware Investigation
Conduct digital forensics and investigate malware infections. Provide thorough analysis and recovery, including virus removal from devices.
✅ Security Training & Syllabus Creation
Develop and deliver tailored security training programs, including creating comprehensive syllabi for training employees and government entities. Ensuring all participants are well-prepared to handle security challenges in their roles.
✅ Linux System Administration & Installation
Setup, configuration, and management of Linux servers (Ubuntu, CentOS, RedHat), ensuring optimized and secure environments.
✅ Cloud Service Integration & Management
Assist with cloud solutions integration (AWS, Azure, Google Cloud) and manage cloud infrastructure for scalability and security.
✅ Database Administration & Optimization
Install, maintain, and optimize databases (SQL, MySQL, PostgreSQL) with a focus on performance, security, and backup strategies.
✅ IT Support & Troubleshooting
Provide end user IT support, addressing hardware and software issues to maintain seamless business operations.
✅ Virtualization & Hypervisor Management
Set up and manage virtualized environments using VMware, Hyper-V, or KVM for efficient resource utilization and scalability.
✅ Backup & Disaster Recovery Planning
Implement backup strategies and disaster recovery plans to ensure business continuity in case of system failure.
Whether you’re a startup building your security foundation or an established business improving your security posture, I’ll tailor my solutions to meet your needs. I focus on both technical security controls and compliance, ensuring your systems are secure and aligned with industry standards.
$15/hr
100%
Job Success
$3K+ earned
Available now
Offers consultations
Start of list.
End of list.
As an experienced Cyber Security Analyst and Network Security Specialist, I bring extensive expertise in designing and implementing robust cyber defenses that uphold confidentiality, integrity, and availability of digital assets for organizations across various sectors. With proficiency in cyber threat intelligence, penetration testing, and network security monitoring, I apply a wide range of best practices and security standards to ensure comprehensive protection against emerging cyber threats.
In my role as a Certified Ethical Hacker, I employ advanced penetration testing methodologies using industry-leading tools like Kali Linux, Nessus, Metasploit, and Wireshark 💻🔒. Through assessments grounded in ISO 27001 and OWASP Top 10 vulnerabilities, I identify and address security gaps with effective remediation strategies. My skills extend to digital forensics using EnCase and FTK, providing data-driven insights crucial for your organization’s security management. 📊
My background also includes expertise in Incident Response Planning and Cyber Security Risk Analysis aligned with NIST CSF and CIS Top 20 controls, ensuring resilient incident management. Additionally, I conduct Cyber Security Audits using tools like Qualys and SolarWinds, leveraging industry best practices to fortify organizational cyber defenses.
I specialize in advanced threat modeling, conducting comprehensive DREAD and STRIDE analyses to proactively address potential risks in complex network environments. I also perform vulnerability assessments and penetration testing with tools like Burp Suite and OWASP ZAP, identifying critical vulnerabilities that could jeopardize your systems’ security. My expertise in implementing advanced security mechanisms, such as firewalls, IDS/IPS, and encryption protocols, aligns with CASA Tier 2 and ISO 27001 standards, ensuring robust network protection. Furthermore, I provide strategic security recommendations tailored to compliance frameworks like PCI DSS, SWIFT Security, and SOC 2 to enhance your digital ecosystem's security posture.
With a proactive approach and strong communication skills, I ensure urgent project delivery and a quick 24-hour turnaround time, ensuring personalized security support that meets your specific requirements.
Best Regards. 🙏
Roman S.
has worked
.
United Kingdom
$145/hr
100%
Job Success
$700K+ earned
Offers consultations
Start of list.
End of list.
Need a product built (or rescued from a failing development team)? I will build your MVP in less than a month. Having built hundreds of products over the past 20 years, I can confidently guarantee that whatever you're building, I can deliver it on time and to top industry standards - fast, reliable, secure and scalable.
Hi, I'm Adam, an experienced solutions architect, CTO, team lead, and cybersecurity expert based in London, UK.
I'm a Chartered Engineer (CEng) and a Chartered IT Professional (CITP), I and also hold a range of industry leading cyber security credentials including the CISSP, CISA, CISM, OSCP and OSCE.
With a proven track record of success, I've worked with hundreds of clients worldwide, guiding their projects from idea stage through to completion, launch and growth. My experience, coupled with my deep technical expertise, allows me to be very hands on and practical when needed, and consistently deliver amazing results.
If you've already got a product in development or in the market but you're struggling with missed deadlines, poor quality work or technical problems that your team are struggling to solve, I can help.
Clients commonly engage me to:
- Hire and/or manage their technical team
- Design and build technical solutions
- Help solve complicated technical problems
- Help scale a technical product to support and meet business growth
- Assess or rescue failing projects
- Explain and help mitigate business threats and risks (e.g. security, disaster recovery, backups and redundancy)
- Provide an audit and unbiased technical opinion and "explain the options"
I enjoy working with startups, fast moving projects, and solving complex challenges.
Associated with
SAS Data Tech
$500K+
earned