Billy Istono
Billy Istono

working in cybersecurity & it, focused on helping teams secure their systems from audits, penetration testing, to building security processes that actually work in the field, not just checklists on paper.

believing that strong digital security is built from small, consistent habits, not expensive tools alone besides technical work, i enjoy sharing and learning with the community to raise cybersecurity awareness.

cybersecurity penetration testing security posture it infrastructure
Billy Istono - 2026

blog

sharing thoughts on cybersecurity, it, and technology.

cybersecurity

how to become a cybersecurity professional

15 aug 2026 7 min read

the cybersecurity industry is growing fast and needs fresh talent, this guide will walk you through the steps to start your career in information security...

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penetration testing

penetration testing basics for beginners

10 aug 2026 5 min read

penetration testing or pentesting is one of the most sought-after skills in cybersecurity, learn the fundamentals and how to start as an ethical hacker...

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it infrastructure

building secure and resilient it infrastructure

5 aug 2026 6 min read

a secure it infrastructure is the foundation of every digital organization, learn best practices for building and managing resilient systems against threats...

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