Pivithuru Milan PereraSecurity · Networks
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Pivithuru Milan Perera — Cybersecurity Engineer
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Writeups · How-To · Security Notes

Hi, I'm Pivithuru Milan Perera. This portfolio is mainly where I share blog posts about network security, threat detection, and real-world cybersecurity engineering.

New posts on SOC operations, network hardening, and security tools

Know Me More

About Me

I'm Pivithuru Milan Perera, a cybersecurity and network security engineer focused on designing secure enterprise infrastructure—from firewalls and VPNs to SD-WAN and cloud-aligned controls. This portfolio is where I share practical insights from real-world engineering work.

Pivithuru Milan Perera — Cybersecurity Engineer

2+

Years Experience

ACADEMIC JOURNEY

Education

  • BSc (Hons) in Information Technology

    Specializing in Computer Systems and Network Engineering from the Sri Lanka Institute of Information Technology (SLIIT).

  • Postgraduate Studies

    Advancing my technical depth through the Master of Cybersecurity program at the University of Colombo.

Experience

Where I've Worked

From Sophos deployments and enterprise support at Sinetcom to Hillstone solution design and partner collaboration at Debug Technologies.

  1. Sales Engineer

    Debug Technologies · Sri Lanka

    I specialize in Hillstone advanced networks and security solutions, working closely with corporate partners and clients to evaluate network architectures, identify security vulnerabilities, and design tailored infrastructure that aligns with modern security frameworks.

    • Assess client and partner network architectures against security and business requirements
    • Identify vulnerabilities and gaps across enterprise infrastructure
    • Design tailored Hillstone-based solutions aligned with modern security frameworks
    • Collaborate with corporate partners on pre-sales engineering and solution design
  2. Network Security Engineer

    Sinetcom Pvt Ltd · Sri Lanka

    Built practical engineering expertise through hands-on deployment and enterprise support, with deep operational experience across Sophos security suites and production network environments.

    • Deployed, configured, licensed, and troubleshot Sophos security suites end to end
    • Delivered enterprise client support for production security and network issues
    • Implemented and maintained SSL proxies and complex NAT configurations
    • Designed and supported high-availability network architectures for clients

Blog

Writing & insights

Practical cybersecurity articles from real projects, covering threat detection, network hardening, firewall strategy, and secure architecture decisions.

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Blog posts coming soon.