Nahid H.

If your business depends on secure systems, compliant infrastructure, and zero downtime - I help you achieve exactly that. I am a Cybersecurity and IT Infrastructure professional with 10+ years of experience across banking and telecom environments, where security failures are not an option. I specialize in building, hardening, and monitoring enterprise environments aligned with ISO 27001 and PCI DSS 4.0. What I deliver ✔ End-to-end security architecture and implementation ✔ Vulnerability Assessment (VA) & Penetration Testing (PT) with actionable remediation ✔ SIEM deployment, correlation rule engineering, and threat detection use cases ✔ Endpoint security (EDR, antivirus, sandboxing) implementation and tuning ✔ Privileged Access Management (PAM) and least-privilege enforcement ✔ File Integrity Monitoring (FIM) and system hardening ✔ Zero-day threat analysis and proactive risk mitigation Network Security Expertise ✔ Palo Alto firewall configuration, policy design, and segmentation ✔ Secure network architecture and threat prevention ✔ Traffic control, access policies, and attack surface reduction Infrastructure & Operations ✔ VMware vSphere, Windows, and Linux administration ✔ High availability, patch management, and system optimization ✔ Data center operations (power, cooling, capacity planning) ✔ IT service management, vendor coordination, and SLA enforcement Why clients work with me I don’t just find vulnerabilities -I help you fix them properly I build security that aligns with real business operations I bring enterprise-level discipline from banking and telecom sectors I focus on practical, implementable security, not theoretical reports Typical Projects I Handle Full security assessment + remediation roadmap SIEM setup with real detection logic (not just logs collection) Firewall audit and optimization (especially Palo Alto) Infrastructure hardening and compliance alignment Incident investigation and threat analysis If you need someone who understands both security and infrastructure deeply, and can actually implement-not just advise - let’s discuss your project.