Ali Hassan G.
Penetration Tester | CyberSecurity Consultant | OSCP | CEH
"I help businesses secure their digital infrastructure through professional penetration testing, security audits, and incident response support.” With over 10 years of experience in Ethical Hacking, I have successfully led and executed hundreds of security audits, penetration tests, and red team engagements for clients ranging from multinational corporations with thousands of assets to nimble startups seeking a security edge in their competitive landscape. My expertise lies in hands-on offensive security, vulnerability assessment, and deep knowledge of both legacy and modern technology stacks—understanding their common pitfalls and security flaws. Below is an overview of the services I offer: ✅Penetration Testing Engagement Comprehensive manual and automated testing of websites, applications, servers, and infrastructure within the defined scope. This includes internal and external network testing, performed using industry-leading tools such as Burp Suite Professional, Nessus, and custom-developed scripts and utilities tailored from previous engagements. ✅Professional Reporting & Risk Analysis A detailed, professionally written report outlining each identified vulnerability, complete with: -Step-by-step exploitation methodology - Full HTTP requests/responses - Screenshots and Proof-of-Concepts - Standardized "CVSS v4.0" risk ratings - Business impact and affected asset ownership ✅Remediation Advice & Guidance Actionable, tailored remediation guidance for every identified security issue. I provide clear explanations of the risk associated with each finding and offer best-practice solutions to mitigate or eliminate the threat. ✅Asset Discovery & Mapping Active and passive reconnaissance to determine the breadth of your digital footprint. Includes: -Subdomain enumeration -Port and service discovery -Identification of public-facing assets susceptible to external threats ✅Free Retest & Validation Included in the service is a complimentary re-evaluation of previously identified vulnerabilities to verify that remediation efforts have been successfully implemented and that no alternate exploitation paths exist. ✅OSINT Reconnaissance Extensive Open-Source Intelligence (OSINT) gathering to identify publicly available data that could pose a threat, including: -Breached email addresses and associated credentials -Data circulating on forums or the dark web -Leaked documents or sensitive metadata Access to a curated repository of over 4 billion records enables comprehensive visibility into your company’s exposure. ✅Pre-Engagement Briefing I am available for consultation sessions to: -Define and refine the Scope of Work (SoW) -Determine the appropriate engagement type (black-box, white-box, or grey-box) -Establish access requirements and test scheduling -Provide guidance for organizations conducting a penetration test for the first time ✅Post-Engagement Debriefing After the assessment, I offer detailed walkthrough sessions of the findings. These sessions include: -Clarification of technical findings and their real-world impact -Prioritization of vulnerabilities based on risk -Strategic recommendations to strengthen your overall security posture With a strong track record of delivering high-impact, actionable security insights, I am committed to helping organizations identify, understand, and mitigate their risks in today’s complex threat landscape.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $2k
Billed in all: $13,892$14k
$989 in the last 6 months
Across 3 contracts
Across 36 contracts
Earnings, last 30 days
Skill rankings: Top 17% in Content Writing
Ranked by MRR among everyone on Upwork with the skill.
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