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Nunudzai Mrewa

Cyber Security Professional

Nunudzai, commonly known as Nunu, is a cybersecurity professional with an insatiable curiosity and a passion for exploring cutting-edge tech to strengthen device security. Guided by the motto "Simplifying security, amplifying trust," Nunu thrives on the thrill of breaking things down, reassembling them, and learning along the way.

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About Image

Why Me?

Nunudzai, a cybersecurity professional by day and a trainer and educator by night, has a wealth of experience working across Asia and Africa. He has collaborated with various organizations to enhance their security, sharing his expertise and knowledge to protect against cyber threats.

  • Corporate Security Training
  • Regular Security Testing
  • Protection for All Your Devices
Contact me

5+

Years of Experience

40+

Speaking Engagements

65+

Projects Completed

100+

Satisfied Customers

Services

Simplifying security, amplifying trust.

Threat Detection

Utilize advanced threat intelligence tools to identify and analyze potential cybersecurity threats.

Cybersecurity Education

Offer comprehensive corporate training programs to promote security awareness across all levels of your organization

Web App Security

Implement robust security to ensure the confidentiality, integrity, and availability of data and assets.

Database Security

Implement access controls, encryption, and auditing mechanisms to protect sensitive data stored in databases.

Security Consultancy

Provide expert cybersecurity consulting services tailored to the needs of your organizations.

Penetration Testing

Conducting thorough penetration testing to identify and remediate security vulnerabilities effectively.

why choose me?

I have been working in cybersecurity for companies around the world for nearly half a decade. I have learned extensively about the field, from its medieval roots to the modern age,striving to master the best practices and techniques.

Provide Advanced Security for Advanced Threat

Multiple layers of security are dispersed the computers, networks, programs, or data that one wants to keep secure.

  • Certified and Professional Expert

    For business to have a successful defence against cyber attacks, the people, processes, and technology.

  • Security on a global scale

    By automating interconnections across a few Cisco is a security products for the cyber security.

  • 24/7 Premium Support

    Unified threat management system may the speed is up crucial security operations tasks Like detection, investigation.

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Secure today, succeed tomorrow

Protect your business from future threats to ensure lasting success. Start securing your future now—take action today.

Start Today

Projects

My curiosity and love for learning have driven me to participate in research projects that reflect my growing experience in cybersecurity.

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Beyond Orion

Researched data compression in Medical IoT for disaster management, proposing strategies to reduce latency and enhance efficiency.

Findings:

  • Investigated data compression techniques for Medical IoT devices.
  • Proposed novel strategies to optimize performance during disaster scenarios.
  • Published findings in a peer-reviewed journal and presented at DIFCON 2023 conference.
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Community Organiser

As a community organizer for PyCon Zimbabwe, I foster engagement and collaboration within the local Python programming community.

Highlights

  • Conducted a Python Workshop at Uncommon
  • Head of Call for Proposals
  • Member of Black Python Devs
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Speaking Engagements

From keynote speeches to conference talks, I bridge the gap between technical and non-technical audiences making complex topics engaging and easy to understand.

Past History

  • Pycon Namibia 2025
  • Besides Cape Town 2024
  • Pycon ZA 2024
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Absolute Z3r0 Exploits

I am the creator and chief editor of Absolute Z3r0 Exploits, a popular cybersecurity newsletter that covers various topics related to the field.

Popular Publications

  • From Theory to Practice: The Mechanics of DDoS Attacks
  • Exploring the Possibilities of an AI Government
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Github Projects

From time to time, I dabble in writing scripts and mini projects, primarily using Python.

  • Payload Paradise
  • Corrupt-PDF
  • Pi-Sec

Get in touch with me

Let's chat

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