Hire the Best HackerRank Specialists

Is your digital infrastructure secure against today's sophisticated threats? I specialize in identifying and mitigating security vulnerabilities before they can be exploited. With a focus on real-world penetration testing and comprehensive malware cleanup, I ensure your systems are robust and resilient. 🛠️ Services I Provide: Web & API Penetration Testing: Combining manual and automated techniques to uncover vulnerabilities. WordPress Security & Malware Removal: Protecting your site from threats and ensuring smooth operation. Network & Server Vulnerability Scanning: Utilizing tools like OpenVAS and Wireshark for thorough assessments. Compliance-Oriented Security Assessments: Ensuring adherence to standards such as PCI-DSS and ISO 27001. Email Setup & Security Hardening: Securing communications with platforms like Gmail, Hostinger, and SendGrid. 📈 Highlights: 4+ Years Experience | CEH Certified 20+ Projects Delivered with 5-Star Ratings Expertise in OWASP Top 10, CVSS, and MITRE ATT&CK Post-audit Guidance and Remediation Support 100% Confidentiality | NDA-Friendly I am committed to delivering high-quality security solutions tailored to your needs. Let's work together to fortify your digital presence.

Hello! I'm Nisar Ahmad, a Cybersecurity Expert dedicated to helping individuals and businesses improve their digital security, recover valuable data, and protect their online assets. Ethical Hacking I perform ethical security assessments to identify vulnerabilities in websites, networks, applications, and systems before attackers can exploit them. My goal is to strengthen security through responsible testing and practical recommendations. Account Recovery & Security I assist clients with legitimate account recovery and account security for supported services. I also help secure accounts by implementing strong authentication, improving security settings, and reducing the risk of unauthorized access. Cybersecurity Services I provide cybersecurity solutions including security audits, vulnerability assessments, malware analysis, phishing awareness, security best practices, and incident response guidance to help protect your digital environment. Crypto Scam Assistance If you have been affected by a cryptocurrency scam, I can help analyze blockchain transactions, document evidence, and provide technical guidance that may support reporting and recovery efforts. While no recovery can be guaranteed, I work diligently to help clients understand their options. Data Recovery I assist with recovering lost or deleted data from computers, external drives, USB devices, memory cards, and mobile devices whenever recovery is technically feasible. Phone Security I help improve Android and iPhone security by identifying potential threats, removing malware (where possible), strengthening privacy settings, securing accounts, and recommending best practices to protect personal information. Why Work With Me? Professional and confidential service Strong problem-solving and analytical skills Clear communication and timely updates Client-focused approach Commitment to quality and security best practices I am committed to delivering reliable cybersecurity solutions with professionalism, integrity, and respect for client confidentiality. If you're looking for a dedicated cybersecurity professional, I'd be happy to discuss your project. Best Regards, Nisar Ahmad

As a skilled and experienced ethical hacker and penetration tester, I bring a comprehensive understanding of cybersecurity to every project I take on. With a deep commitment to ethical practices and a dedication to helping clients protect their digital assets. My approach is rooted in a thorough understanding of the latest trends and developments in the field, allowing me to identify and address vulnerabilities in even the most complex systems. Whether you need a comprehensive security audit, a targeted vulnerability assessment, or assistance with network security, I have the expertise to deliver results that meet your needs. With a keen eye for detail and a natural ability to problem-solve, I am confident in my ability to secure your digital assets and protect your business from potential cyber attacks. By working closely with you to understand your unique needs and goals, I can develop a customized solution that meets your specific requirements. If you're looking for a professional and experienced ethical hacker and penetration tester to help safeguard your digital assets, I would be honored to have the opportunity to work with you.

Most vulnerability reports tell you what's broken. I show you how an attacker could exploit it—and how to fix it before it becomes a breach. I'm a Certified Ethical Hacker (CEH) and CompTIA CySA+ certified cybersecurity consultant specializing in offensive security testing, digital forensics, and OSINT investigations. Whether you need a security assessment before deployment or a forensic investigation after an incident, I deliver practical findings your team can immediately act on. I help organizations identify critical security risks before attackers exploit them while providing practical, prioritized remediation that strengthens their overall security posture. • What Sets My Work Apart ✔ Manual, evidence-based penetration testing mapped to OWASP Top 10 and prioritized using CVSS ✔ Proof-of-concept demonstrations that validate real-world exploitability ✔ Practical remediation guidance—not just a list of findings ✔ Digital forensics expertise to investigate incidents and identify root causes • Core Specialties ✔ Web Application, API & Network Penetration Testing ✔ Vulnerability Assessment & Penetration Testing (VAPT) ✔ Active Directory & Cloud Security Assessments (AWS/Azure) ✔ Digital Forensics & Incident Response ✔ OSINT & Digital Footprint Investigations ✔ Compliance Reporting (NIST, ISO 27001, CIS Controls) • Every Engagement Includes ✔ Executive Summary ✔ Technical Report ✔ Evidence of Findings ✔ Prioritized Remediation Guidance ✔ Confidential Handling Every assessment includes professional executive and technical reports designed to support remediation efforts and compliance objectives. • Technologies & Tools Kali Linux • Burp Suite Pro • Nmap • Nessus • Metasploit • BloodHound • Impacket • Python • PowerShell • Volatility • Autopsy If you're looking for actionable security testing—not just automated scan results—I'm ready to help you identify real security risks, validate their impact, and provide clear remediation guidance tailored to your environment.

I find the vulnerabilities in your web apps, APIs, and networks before attackers do, then hand your team a clear, reproducible penetration testing report they can act on. GXPN and GCIH certified. Top Rated on Upwork with 100% Job Success across web application, API, and network security engagements. No scanner dump and no jargon wall. Every finding comes with a severity rating (CVSS), working proof of concept, and a concrete fix your developers can ship. What I test: - Web application penetration testing (OWASP Top 10, PTES, NIST) - API security testing (REST, GraphQL, auth/OAuth, IDOR, broken access control) - SaaS and multi-tenant assessments (Supabase / Firebase data-isolation testing) - Network and external perimeter penetration testing - Source code / secure code review How I work: authorized testing only, on systems you own or have permission to test. Everything is documented over Upwork so you get a written record of every finding, not a verbal hand-wave. I retest after you patch to confirm the holes are actually closed. Credentials: GXPN (GIAC Advanced Penetration Tester & Exploit Researcher), GCIH (GIAC Certified Incident Handler), SANS CTF winner, and an active national/international CTF competitor (web, reverse, crypto, forensics). I also handle WordPress malware removal and incident response. See my Project Catalog for a fixed-price option.

CEH ( Certified Ethical Hacker). I am a Professional Ethical Hacker and Expert in Penetration testing and Website Security and Network Scanning I have 5+ experience in projects ranging from, Bug hunting, penetration testing, network Testing, Website Security, analysis, vulnerability assessment, and testing to investigative and forensic work. I bring high standards and tried and tested methodology with manual bug Hunting and techniques to deliver you professional results. ✅Professional at Bug Bounty Hunting ✅Professional at Penetration Testing ✅System Hacking ✅Network Scanning ✅Professional at API Testing ✅Professional at Android and IOS Penetration Testing ✅Professional in Security Testing ✅Professional at Web Application Security ✅Professional at Vulnerability Assessment ✅Professional at Network Penetration Testing ✅Professional at Hacked site Recover ✅ Professional at Malware Removal/Virus Removal ✅ Website Testing part manually = Brute Force Attack = Unauthorized access to card = Business logic flaws allow the unauthorized transfer of funds = Unauthorized access to customer data = Unauthorized access to the example.com website = Authentication related issues = Authorization related issues = Data Exposure = Smuggling Testing = Bypass Rate Limit Protection = Bypass Authentication = Broken Access Control = Information Disclosure = Remote Code Execution (RCE) = Server-Side Request Forgery (SSRF) = Subdomain Takeover = Account Takeover = Code Execution = Content Discovery = Cross-Site Request Forgery (CSRF) = SQL Injection (SQLI) = HTML Injection / Content Injection = Cross-Site Scripting (XSS) = Command Injection = Local File Inclusion (LFI) = Insecure Direct Object Reference (IDOR) = XML External Entity (XXE) = Remote File Inclusion (RFI) = URL Redirection ✅System Testing 1. Password Cracking 2. Privilege Escalation 3. Malware Analysis 4. System Exploitation 5. Post Exploitation 6. Social Engineering 7. Network Sniffing 8. Denial of Service (DoS) Attacks 9. Security Misconfigurations 10. Vulnerability Scanning and Exploitation 12. Exploit Development ✅ Network Scanning Network Scanning List 1. Network Discovery 2. Port Scanning 3. Vulnerability Scanning 4. Service Version Detection 5. Network Mapping 6. Network Protocol Analysis 7. Wireless Network Scanning 8. SNMP Scanning 9. DNS Enumeration: 10. Network Performance Testing 11. Firewall and IDS/IPS Evasion 12. IoT and SCADA Network Scanning: 13. Cloud Network Scanning ✅ Penetration Testing Tools: = Metasploit = BurpSuite Professional = Nessus Professional = Acunetix Proffessional = Nuclei = Nmap = FFUF = Gau = Waybackurls = SQLMAP = wpscan = OWASP ZAP, etc. Terms of Services: • 100% Customer Satisfaction • Guaranteed Refund if not satisfied