Zaman Sain

Mentored security analysts, improving technical capability and engagement
delivery quality.
Led red team simulations to identify high-risk vulnerabilities and strengthen
defensive controls.
Conducted secure code reviews to remediate application-level security flaws.
Obtained CERT-In certification for the organization, supporting compliance and
incident response readiness.
Executed purple team exercises to improve coordination between red and blue
teams.
Designed and ran DDoS simulation exercises to assess infrastructure resilience.
Performed Wi-Fi penetration testing to evaluate wireless security and recommend
mitigations.

Executed black-box and grey-box penetration testing aligned with client scope
and requirements.
Led multiple concurrent security engagements, ensuring on-time delivery and
quality outcomes.
Conducted end-to-end VAPT across servers, network infrastructure, web, mobile,
APIs, and thick-client applications.
Delivered scheduled (program-based) and ad-hoc application security testing
engagements.
Performed SAST and DAST for web and Android applications.
Supported SOC, assessment, and audit services within a multinational
cybersecurity services organization.
Conducted security audits to identify, validate, and prioritize vulnerabilities.
Strengthened client communication and coordination through multi-stakeholder
project delivery.