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zero_izumi

Aftab Riyad

@zero_izumi

Certified Ethical Hacker Web API Pentester Security Audits Hardening and OSINT

Bangladesh
English, Japanese
About me
CYBERSECURITY EXPERT 6+ YEARS OF PROVEN EXPERIENCE I’m Riyad (zero_izumi) a cybersecurity specialist securing websites, APIs, servers, and systems. Specialize in: Web Application Penetration Testing API Security Testing (REST, JWT, Auth, RateLimit, IDOR) OSINT Investigation & Exposure Reports Malware Cleanup & WordPress Security Hardening Custom Cybersecurity Automation Scripts & Tools You’ll receive: A clear professional vulnerability report Risk severity + technical explanation Step-by-step remediation guidance Optional retest after fixes Portfolio: https://izumiriyad.vercel.app/ ... Read more

Skills

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zero_izumi
Aftab Riyad
Offline • 
Average response time: 1 hour

See my services

Security
I will perform professional web and API penetration testing with detail security report
From$50 / projectMore details
Scripting
I will develop custom cybersecurity automation tools and scripts for your needs
From$75 / projectMore details

Portfolio

Work experience

Offensive Security Engineer (Independent)

Remote Work / Work from Home / Self-employed

Apr 2017 - Present • 9 yrs 1 mo

Conducted 50+ penetration tests for fintech & enterprise products Identified 100+ critical/high vulnerabilities Designed automation tools reducing workload by 70% Specialized in API attacks, red team ops & auth bypass