<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Rezak AZIZ | Cybersecurity and Infrastructure Engineer | PhD</title><link>https://rezakaziz.github.io/</link><description>Recent content on Rezak AZIZ | Cybersecurity and Infrastructure Engineer | PhD</description><generator>Hugo -- gohugo.io</generator><language>en</language><lastBuildDate>Fri, 10 Apr 2026 15:17:01 +0200</lastBuildDate><atom:link href="https://rezakaziz.github.io/index.xml" rel="self" type="application/rss+xml"/><item><title>Excessive Agency: Why Human-in-the-Loop Is Not Enough</title><link>https://rezakaziz.github.io/post/genai-security-excessive-agency/</link><pubDate>Fri, 10 Apr 2026 15:17:01 +0200</pubDate><guid>https://rezakaziz.github.io/post/genai-security-excessive-agency/</guid><description>Learn how excessive agency in LLMs and AI agents creates new security risks. This article explains how over-permissioned systems, prompt injection, and hidden data exfiltration can bypass human-in-the-loop controls, and explores key mitigation strategies aligned with OWASP and modern AI security practices.</description></item><item><title>Why Threat Models Matter in Security Research ?</title><link>https://rezakaziz.github.io/post/threat-model/</link><pubDate>Wed, 11 Mar 2026 16:30:16 +0100</pubDate><guid>https://rezakaziz.github.io/post/threat-model/</guid><description>&lt;p&gt;Over time, while reviewing and reading cybersecurity and privacy papers, I notice something that bothers me more and more: &lt;strong&gt;some papers claim security or privacy guarantees without clearly defining a threat model&lt;/strong&gt;.&lt;/p&gt;</description></item><item><title>When the Map No Longer Matches the Territory</title><link>https://rezakaziz.github.io/post/digital_twins/</link><pubDate>Tue, 27 Jan 2026 11:18:10 +0100</pubDate><guid>https://rezakaziz.github.io/post/digital_twins/</guid><description>&lt;p&gt;In the context of my new role within the &lt;a href="https://battwin.net"&gt;BATTwin project&lt;/a&gt;, I have been thinking about how we observe systems and how far observation alone can take us. Working on reliability and industrial adoption quickly reveals a recurring pattern: we see problems, but often too late.&lt;/p&gt;</description></item><item><title>Adapting k-means Clustering to the Encrypted Domain</title><link>https://rezakaziz.github.io/data/accomplishments/ingenieur-computer-science/</link><pubDate>Sat, 24 Jan 2026 18:30:00 +0100</pubDate><guid>https://rezakaziz.github.io/data/accomplishments/ingenieur-computer-science/</guid><description>&lt;p&gt;During my &lt;strong&gt;Engineering degree in Computer Science (Systems specialization)&lt;/strong&gt;, I carried out a &lt;strong&gt;final-year engineering project&lt;/strong&gt; centered on a precise and technically demanding question:&lt;/p&gt;</description></item><item><title>Verifiable and Privacy-Preserving Federated Learning through Differential Privacy and Cryptographic Protocols</title><link>https://rezakaziz.github.io/data/accomplishments/phd-computer-science/</link><pubDate>Sat, 24 Jan 2026 17:00:48 +0100</pubDate><guid>https://rezakaziz.github.io/data/accomplishments/phd-computer-science/</guid><description>&lt;p&gt;During my &lt;strong&gt;PhD in Computer Science&lt;/strong&gt;, I conducted research on a central and unresolved problem in modern machine learning systems:&lt;/p&gt;</description></item><item><title>A State of the Art on Privacy-Preserving Clustering with Missing Data</title><link>https://rezakaziz.github.io/data/accomplishments/master-computer-science/</link><pubDate>Sat, 24 Jan 2026 17:00:33 +0100</pubDate><guid>https://rezakaziz.github.io/data/accomplishments/master-computer-science/</guid><description>&lt;p&gt;During my &lt;strong&gt;Master’s degree in Computer Science&lt;/strong&gt;, I conducted a research thesis focused on building a &lt;strong&gt;state of the art&lt;/strong&gt; at the intersection of &lt;strong&gt;data analysis, privacy, and cloud computing&lt;/strong&gt;.&lt;/p&gt;</description></item><item><title>Accomplishments</title><link>https://rezakaziz.github.io/accomplishments/</link><pubDate>Sat, 24 Jan 2026 16:47:27 +0100</pubDate><guid>https://rezakaziz.github.io/accomplishments/</guid><description>PhD in Computer Science (CNAM Paris), DevOps engineer with certifications in Docker, Kubernetes, Ansible, and Network Security. View education, certifications, and awards.</description></item><item><title>Activities</title><link>https://rezakaziz.github.io/activities/</link><pubDate>Fri, 23 Jan 2026 11:15:39 +0100</pubDate><guid>https://rezakaziz.github.io/activities/</guid><description>DevOps engineer and researcher specializing in observability, reliability, cybersecurity, and privacy-preserving systems. Teaching and research in distributed systems and network security.</description></item><item><title>Why I created this Website ?</title><link>https://rezakaziz.github.io/post/why_i_created_this/</link><pubDate>Wed, 22 Jan 2025 12:13:44 +0100</pubDate><guid>https://rezakaziz.github.io/post/why_i_created_this/</guid><description>&lt;p&gt;I created this website for a simple reason:&lt;br&gt;
to have a place to think in public about systems I build, operate, or study.&lt;/p&gt;</description></item><item><title/><link>https://rezakaziz.github.io/archives/</link><pubDate>Tue, 28 May 2019 00:00:00 +0000</pubDate><guid>https://rezakaziz.github.io/archives/</guid><description/></item><item><title>Contact</title><link>https://rezakaziz.github.io/contact/</link><pubDate>Fri, 08 Mar 2019 00:00:00 +0000</pubDate><guid>https://rezakaziz.github.io/contact/</guid><description>Contact Page</description></item></channel></rss>