Hello I'm
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.
Get started Explore servicesWhy 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
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.
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Certified and Professional Expert
For business to have a successful defence against cyber attacks, the people, processes, and technology.
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Security on a global scale
By automating interconnections across a few Cisco is a security products for the cyber security.
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24/7 Premium Support
Unified threat management system may the speed is up crucial security operations tasks Like detection, investigation.

Secure today, succeed tomorrow
Protect your business from future threats to ensure lasting success. Start securing your future now—take action today.
Start TodayProjects
My curiosity and love for learning have driven me to participate in research projects that reflect my growing experience in cybersecurity.

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.

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

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

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

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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