JOIN ME IN MY JOURNEY

On Becoming a

Network & Cybersecurity Engineer

Welcome to a space where passion meets purpose—where every ping, packet, and protocol brings me one step closer to becoming a network and cybersecurity engineer. I’m just getting started, and this blog is my open journal, documenting every lesson, challenge, and breakthrough along the way. Whether you're a fellow beginner, a curious explorer, or a seasoned pro, I invite you to join me in this journey. Let’s learn, build, and grow together—one command line at a time

In today’s fast-paced, digitally empowered world, technology continues to serve as the great enabler — fostering innovation, accelerating inclusion, and redefining the boundaries of access. From AI-powered platforms to seamless cloud integration, we are witnessing a transformational era where barriers are no longer obstacles, but opportunities for strategic disruption and human-centered design. Or at least, that’s what the slide deck

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Fair warning: this post takes a bit of reading and includes a little language and a lot of honesty. There are people who journal. People who meditate. People who wake up at 5 a.m. and go for mindful walks. My wife is one of those people. She does yoga and drinks her tea hot. Me? I make the coffee, open

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“A Brittle and Fragile Future” by Vinton Cerf – Then, Now, and Why It Still Hits (Especially If You’re the IT Guy) Back in 2017, I was still working as a Software Tester—writing test cases, clicking buttons until they broke, and logging bugs developers swore couldn’t possibly exist. I was also a dutiful subscriber to Communications of the ACM, because

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I was supposed to be on a study break. You know, reviewing Azure firewall rules, maybe poking around Wireshark like a good future cybersecurity engineer. Instead… I went on YouTube.Big mistake. Huge. A video popped up: “Old Manila in the 1960s — A Glimpse of the Glory Days.” Cue vintage cars, clean streets, people in barong casually walking down Escolta,

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Because once a graphic designer, forever everyone’s formatting savior. So apparently, if you used to be a graphic designer……and then went into IT, networking, cybersecurity, GIS, database admin, Zoom hosting, and surviving Windows Patch Tuesdays… That doesn’t matter. Because the minute someone in the office hears: “Oh yeah, Teo used to do design work…” Boom. You now own the entire

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It judged me daily — and I kinda needed it. Let me be clear:The cat was never mine.I didn’t feed it.I didn’t name it.We didn’t cuddle. But this cat — this mysterious furry neighbor with a PhD in silent judgment — sat by the window like he owned the block and stared at me every single morning as I left

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Let’s take a moment to celebrate an achievement. No, I didn’t finish a certification.No, I didn’t configure a Windows domain or troubleshoot a DNS nightmare.I… finished Season One of The Day of the Jackal on Peacock. And it was glorious. Every episode was a delicious blend of espionage, slow-burn tension, and “wait, is that guy about to get shot or

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Why DNS-over-HTTPS (DoH)? — The Primer Before we get deep into why DoH makes IT admins sweat, let’s start with why it exists in the first place. Traditional DNS Is a Massive Privacy Leak Every time you visit a website, your device asks a DNS server: “Hey, what’s the IP for gimmecatsinbowties.com?” And that query goes out completely unencrypted [¹].

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