https://dguerri.github.io/random-tech-stuff/Random Tech StuffHi. This is my blog with random technical (and sometimes non-technical) stuff. 2026-09-19T21:29:40+02:00 Davide Guerri https://dguerri.github.io/random-tech-stuff/ Jekyll © 2026 Davide Guerri /random-tech-stuff/assets/img/favicons/favicon.ico /random-tech-stuff/assets/img/favicons/favicon-96x96.png AI did not change security. It changed the price of overlooking the obvious.2026-05-23T22:06:48+02:00 2026-05-23T22:06:48+02:00 https://dguerri.github.io/random-tech-stuff/posts/ai-did-not-change-security-it-changed-the-price-of-overlooking-the-obvious/ Davide Guerri Why AI and agentic workflows do not make cybersecurity fundamentals obsolete, but rather raise the price of overlooking the obvious and fundamentally reshape vulnerability management. Facebook (Meta) Gizmo - From Cardboard Prototypes to Secure Corporate Devices2025-08-14T07:31:08+02:00 2025-08-14T07:31:08+02:00 https://dguerri.github.io/random-tech-stuff/posts/facebook-meta-gizmo-from-cardboard-prototypes-secure-corporate-devices/ Davide Guerri The engineering story of Gizmo at Facebook (Meta): how a cardboard prototype with MinnowBoard and TPM 2.0 evolved into a hardened, securely provisioned corporate device fleet. Lessons from an “Exemption Exam” CTF: Combining Ethical Hacking with Real-World Challenges2025-05-31T08:02:40+02:00 2025-05-31T08:02:40+02:00 https://dguerri.github.io/random-tech-stuff/posts/lessons-from-an-exemption-exam-ctf-combining-ethical-hacking-with-real-world-challenges/ Davide Guerri Lessons learned from conducting an ethical hacking "exemption exam" CTF for university students at Sapienza University of Rome, exploring LLM usage in CTFs, anti-cheating, and hands-on offensive security. Exploiting heap-based buffer overflow - The One-Byte challenge2024-09-02T12:00:00+02:00 2026-09-19T21:26:29+02:00 https://dguerri.github.io/random-tech-stuff/posts/one-byte-challenge/ Davide Guerri Deep-dive into GLibC 2.23 heap exploitation: leveraging a single-byte overflow with House of Orange. Predicting CVSS Vectors with text embeddings and random forests2024-08-13T12:00:00+02:00 2026-09-19T21:26:29+02:00 https://dguerri.github.io/random-tech-stuff/posts/cvss-vectors-with-embeddings-and-random-forests/ Davide Guerri Exploring how text embeddings and Random Forest classifiers can predict CVSS vectors from CVE descriptions to alleviate NVD backlogs.