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Sheikh Junayed Ahmed

@sheikhjunayedahmed

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I build AI-driven cybersecurity defenses across VAPT, incident response, and secure infrastructure.

India

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What I'm looking for

I'm looking to apply VAPT, incident response, AI-driven threat detection, and security research skills to build resilient systems across cloud, critical infrastructure, and emerging technology environments.

I've performed web application VAPT against the OWASP Top 10 at Codec Technologies India, conducted ISO 27001 compliance audits, and delivered remediation recommendations.

I implemented NIST SP 800-61 incident response procedures and configured FortiGate NGFW enterprise security policies. My work spans SIEM/UEBA threat detection, Cloud GRC, ICS/PLC security, SDN security, and satellite telemetry protection.

As an independent researcher, I'm investigating covert data exfiltration through neural network weights, gradients, and activations. I build Python and TensorFlow proofs of concept and mitigations for secure AI pipelines, supported by an M.Sc. in Cybersecurity and Google, Fortinet, and Cisco certifications.

Experience

Work history, roles, and key accomplishments

Current

Independent Researcher

Current

Covert Channels in Neural Networks

Mar 2026 - Present (6 months)

Investigating data exfiltration via neural network weights, gradients, and activations; building PoC exploits and mitigations using Python/TensorFlow.

Python TensorFlow Neural Networks Data Exfiltration PoC Development

Cybersecurity Intern

Codec Technologies India

Jan 2026 - Apr 2026 (3 months)

Performed VAPT on web applications (OWASP Top 10) and conducted ISO 27001 compliance audits with remediation recommendations. Implemented NIST SP 800-61 incident response procedures and configured FortiGate NGFW enterprise security policies.

VAPT OWASP Top 10 ISO 27001 NGFW Policies Incident Response Compliance Auditing