Google Cybersecurity Certificate

Finished the Google Cybersecurity Professional Certificate on Coursera. Here’s what’s good, what’s bad, and how it compares to a university course on the same topic.

April 28, 2026 · 5 min · 897 words · tiago

Building a secure BLE tree network

A walkthrough of the final project for my security class, a secure ad-hoc Bluetooth network over BLE with a tree topology, mutual auth, ECDH session keys, and DTLS-style end-to-end encryption

January 28, 2026 · 7 min · 1350 words · tiago

The CrowdStrike Lesson

One vendor, one bad file, 8.5 million blue screens. What July 19th taught me about trusting the software that’s supposed to be protecting us.

December 15, 2024 · 6 min · 1195 words · tiago