https://JustFernandezz.github.io/cyb3lnkuei-site/Recent content on JustF3rnand3zzHugoen-usSat, 18 Apr 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/whoami/Sat, 18 Apr 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/whoami/<h1 id="just-a-bit-about-myself-_">Just A Bit About Myself _&lt;</h1> <hr> <h2 id="introduction">🧍‍♂️Introduction</h2> <p>I’m Fernandez, a curious mind who enjoys breaking and securing systems. I work in offensive security as a Penetration Tester and Solutions Engineer, focusing on web, API, network, active directory, wireless security, and red teaming.</p> <hr> <h2 id="my-journey">My Journey</h2> <p>I began my journey into cybersecurity in 2021, a year after graduating from secondary school, at a time when I wasn’t sure what direction my life was heading.</p>https://JustFernandezz.github.io/cyb3lnkuei-site/posts/otp-verification-bypass-via-response-manipulation-on-email-change-authentication-flow/Thu, 02 Apr 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/otp-verification-bypass-via-response-manipulation-on-email-change-authentication-flow/Click to read the full walkthrough.https://JustFernandezz.github.io/cyb3lnkuei-site/posts/price-manipulation-via-client-side-parameter-tampering/Thu, 02 Apr 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/price-manipulation-via-client-side-parameter-tampering/Click to read the full walkthroughhttps://JustFernandezz.github.io/cyb3lnkuei-site/posts/exposed-unrestricted-google-api-key-in-client-side-javascript-allows-unauthorized-api-abuse/Wed, 04 Mar 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/exposed-unrestricted-google-api-key-in-client-side-javascript-allows-unauthorized-api-abuse/Click to read the full walkthrough.https://JustFernandezz.github.io/cyb3lnkuei-site/posts/idor---unauthorized-user-profile-update-via-customer-id-manipulation/Mon, 02 Mar 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/idor---unauthorized-user-profile-update-via-customer-id-manipulation/Click to read the full walkthroughhttps://JustFernandezz.github.io/cyb3lnkuei-site/posts/xiao-rp2040-malicious-usb/Sun, 01 Feb 2026 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/xiao-rp2040-malicious-usb/Click to read the full walkthrough.https://JustFernandezz.github.io/cyb3lnkuei-site/posts/account-takeover-via-password-reset-token-misconfiguration/Tue, 04 Nov 2025 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/account-takeover-via-password-reset-token-misconfiguration/Click to read the full walkthrough.https://JustFernandezz.github.io/cyb3lnkuei-site/posts/esp8266-wifi-deauther/Mon, 01 Jan 2024 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/esp8266-wifi-deauther/Click to read the full walkthrough.https://JustFernandezz.github.io/cyb3lnkuei-site/posts/linux_backdoor/Mon, 01 Jan 2024 00:00:00 +0000https://JustFernandezz.github.io/cyb3lnkuei-site/posts/linux_backdoor/Click to read the full walkthrough.