From 449769eb3a76dd4265393bb51f2c02734e4c9d6c Mon Sep 17 00:00:00 2001
From: n1o <n1o@users.noreply.github.com>
Date: Fri, 5 Apr 2024 09:37:08 +0000
Subject: [PATCH] deploy: d86d775574cfb9d8c649d7a8a7c4cc6afc142be1

---
 about/index.html                      | 4 ++--
 index.xml                             | 2 +-
 posts/t5-the-old-new-thing/index.html | 2 +-
 projects/index.html                   | 4 +++-
 4 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/about/index.html b/about/index.html
index 7cec006..3adca41 100644
--- a/about/index.html
+++ b/about/index.html
@@ -1,9 +1,9 @@
 <!doctype html><html lang=en><head><title>· Data, Code and Breaking Stuff
-</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=color-scheme content="light dark"><meta name=author content="n1o"><meta name=description content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 and started to code in C++. Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do data science consulting, work for multiple startups in their various stages."><meta name=keywords content="blog,developer,personal"><meta name=twitter:card content="summary"><meta name=twitter:title content><meta name=twitter:description content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 and started to code in C++. Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do data science consulting, work for multiple startups in their various stages."><meta property="og:title" content><meta property="og:description" content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 and started to code in C++. Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do data science consulting, work for multiple startups in their various stages."><meta property="og:type" content="article"><meta property="og:url" content="https://n1o.github.io/about/"><meta property="article:section" content><link rel=canonical href=https://n1o.github.io/about/><link rel=preload href="/fonts/forkawesome-webfont.woff2?v=1.2.0" as=font type=font/woff2 crossorigin><link rel=stylesheet href=/css/coder.min.0fa2dc75ed1b76894ac0e062b10a6c4730daa745096fa120114b290ed8a48788.css integrity="sha256-D6Lcde0bdolKwOBisQpsRzDap0UJb6EgEUspDtikh4g=" crossorigin=anonymous media=screen><link rel=stylesheet href=/css/coder-dark.min.593028e7f7ac55c003b79c230d1cd411bb4ca53b31556c3abb7f027170e646e9.css integrity="sha256-WTAo5/esVcADt5wjDRzUEbtMpTsxVWw6u38CcXDmRuk=" crossorigin=anonymous media=screen><link rel=icon type=image/png href=/images/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/images/favicon-16x16.png sizes=16x16><link rel=apple-touch-icon href=/images/apple-touch-icon.png><link rel=apple-touch-icon sizes=180x180 href=/images/apple-touch-icon.png><link rel=manifest href=/site.webmanifest><link rel=mask-icon href=/images/safari-pinned-tab.svg color=#5bbad5><meta name=generator content="Hugo 0.124.1"></head><body class="preload-transitions colorscheme-auto"><div class=float-container><a id=dark-mode-toggle class=colorscheme-toggle><i class="fa fa-adjust fa-fw" aria-hidden=true></i></a></div><main class=wrapper><nav class=navigation><section class=container><a class=navigation-title href=/>Data, Code and Breaking Stuff
+</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=color-scheme content="light dark"><meta name=author content="n1o"><meta name=description content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 by coding in C++, without having access to the internet and in good old fashioned Bloodshed C++ Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do build machine learning and distributed systems for early to mid sage startups."><meta name=keywords content="blog,developer,personal"><meta name=twitter:card content="summary"><meta name=twitter:title content><meta name=twitter:description content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 by coding in C++, without having access to the internet and in good old fashioned Bloodshed C++ Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do build machine learning and distributed systems for early to mid sage startups."><meta property="og:title" content><meta property="og:description" content="About Link to heading I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 by coding in C++, without having access to the internet and in good old fashioned Bloodshed C++ Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do build machine learning and distributed systems for early to mid sage startups."><meta property="og:type" content="article"><meta property="og:url" content="https://n1o.github.io/about/"><meta property="article:section" content><link rel=canonical href=https://n1o.github.io/about/><link rel=preload href="/fonts/forkawesome-webfont.woff2?v=1.2.0" as=font type=font/woff2 crossorigin><link rel=stylesheet href=/css/coder.min.0fa2dc75ed1b76894ac0e062b10a6c4730daa745096fa120114b290ed8a48788.css integrity="sha256-D6Lcde0bdolKwOBisQpsRzDap0UJb6EgEUspDtikh4g=" crossorigin=anonymous media=screen><link rel=stylesheet href=/css/coder-dark.min.593028e7f7ac55c003b79c230d1cd411bb4ca53b31556c3abb7f027170e646e9.css integrity="sha256-WTAo5/esVcADt5wjDRzUEbtMpTsxVWw6u38CcXDmRuk=" crossorigin=anonymous media=screen><link rel=icon type=image/png href=/images/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/images/favicon-16x16.png sizes=16x16><link rel=apple-touch-icon href=/images/apple-touch-icon.png><link rel=apple-touch-icon sizes=180x180 href=/images/apple-touch-icon.png><link rel=manifest href=/site.webmanifest><link rel=mask-icon href=/images/safari-pinned-tab.svg color=#5bbad5><meta name=generator content="Hugo 0.124.1"></head><body class="preload-transitions colorscheme-auto"><div class=float-container><a id=dark-mode-toggle class=colorscheme-toggle><i class="fa fa-adjust fa-fw" aria-hidden=true></i></a></div><main class=wrapper><nav class=navigation><section class=container><a class=navigation-title href=/>Data, Code and Breaking Stuff
 </a><input type=checkbox id=menu-toggle>
 <label class="menu-button float-right" for=menu-toggle><i class="fa fa-bars fa-fw" aria-hidden=true></i></label><ul class=navigation-list><li class=navigation-item><a class=navigation-link href=/about/>About</a></li><li class=navigation-item><a class=navigation-link href=/posts/>Blog</a></li><li class=navigation-item><a class=navigation-link href=/projects/>Projects</a></li><li class=navigation-item><a class=navigation-link href=/contact/>Contact me</a></li></ul></section></nav><div class=content><section class="container page"><article><header><h1 class=title><a class=title-link href=https://n1o.github.io/about/></a></h1></header><h1 id=about>About
 <a class=heading-link href=#about><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
-<span class=sr-only>Link to heading</span></a></h1><p>I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 and started to code in C++. Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do data science consulting, work for multiple startups in their various stages.</p><p>My professional interests are:</p><ul><li>Machine Learning</li><li>High performance and distributed computing</li><li>Reverse Engineering and Vunerability Exploitation</li></ul><p>As of my personal life, I am a father of three sons, cat person and a book worm committed to life long geek-hood.</p></article></section><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css integrity=sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0 crossorigin=anonymous><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js integrity=sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4 crossorigin=anonymous></script><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js integrity=sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05 crossorigin=anonymous onload='renderMathInElement(document.body,{delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}]})'></script></div><footer class=footer><section class=container>©
+<span class=sr-only>Link to heading</span></a></h1><p>I&rsquo;m Marek Barak, I started my journey into computer science when I was 15 by coding in C++, without having access to the internet and in good old fashioned <a href=https://www.bloodshed.net/>Bloodshed C++</a> Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do build machine learning and distributed systems for early to mid sage startups. Currently my day job is at <a href=https://paiqo.com/>Paiqo</a> tackling anything Data related. At nights I am an independent Cyber Security Researcher figuring out how to apply Machine Learning to Cyber Security especially in the field of Reverse Engineering and Vulnerability Exploitation.</p><p>My professional interests are:</p><ul><li>Machine Learning</li><li>High performance and distributed computing</li><li>Reverse Engineering and Vulnerability Exploitation</li><li>Secure Coding</li></ul><p>As of my personal life, I am married (Still fiding it hard to figure out why she said yes!). I am also an father of three sons, cat person and a book worm committed to life long geek-hood.</p></article></section><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css integrity=sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0 crossorigin=anonymous><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js integrity=sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4 crossorigin=anonymous></script><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js integrity=sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05 crossorigin=anonymous onload='renderMathInElement(document.body,{delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}]})'></script></div><footer class=footer><section class=container>©
 2020 -
 2024
 n1o
diff --git a/index.xml b/index.xml
index 7222d88..8fad596 100644
--- a/index.xml
+++ b/index.xml
@@ -5,4 +5,4 @@ If I perform a hypothetical sequence of interventions how will my time series ev
 An example and some details Link to heading Example Link to heading As a medical doctor in a hospital, if a patient has a high fever and is at risk of dying, a common practice is to measure their levels of C-reactive protein (CRP) to determine if they need antibiotics.</description></item><item><title>Hierarchical Probabilistic Matrix Factorization</title><link>https://n1o.github.io/posts/pooled_matrix_factorization/</link><pubDate>Thu, 17 Dec 2020 10:19:42 +0100</pubDate><guid>https://n1o.github.io/posts/pooled_matrix_factorization/</guid><description>Probabilistic Matrix factorization is a simple but useful model for matrix imputation. The main idea is to decompose a tall and wide matrix into a product of two matrices, one tall and thin and one short and wide.
 $$ R_{n\times m} = U_{m \times d} \cdot V_{d \times n} $$
 If you are a Bayesian, you can express this model as:
-$$ R_{ij} \sim \mathcal{N}(u_i \cdot v_j^T, \sigma) $$ $$ u_i \sim \mathcal{N}(\mu_u, \Sigma_u) $$ $$ v_j \sim \mathcal{N}(\mu_v, \Sigma_v) $$</description></item><item><title/><link>https://n1o.github.io/about/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/about/</guid><description>About Link to heading I&amp;rsquo;m Marek Barak, I started my journey into computer science when I was 15 and started to code in C++. Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do data science consulting, work for multiple startups in their various stages.</description></item><item><title/><link>https://n1o.github.io/contact/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/contact/</guid><description>Contact Link to heading Feel free to contact me via email mrk.barak@gmail.com or socials.</description></item><item><title/><link>https://n1o.github.io/projects/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/projects/</guid><description>Projects Link to heading Study notes Link to heading This is my compilation of notes from various subjects. This is work in progress, where I continuously migrate, rewrite, simplify the notes I have. During the years I wrote thousands of pages worth of notes, not always concise. Right now I prefer taking notes that are somewhat similar to the Zettelkasten method. Thus keeping them short, easy to follow, covering at most a single subject.</description></item></channel></rss>
\ No newline at end of file
+$$ R_{ij} \sim \mathcal{N}(u_i \cdot v_j^T, \sigma) $$ $$ u_i \sim \mathcal{N}(\mu_u, \Sigma_u) $$ $$ v_j \sim \mathcal{N}(\mu_v, \Sigma_v) $$</description></item><item><title/><link>https://n1o.github.io/about/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/about/</guid><description>About Link to heading I&amp;rsquo;m Marek Barak, I started my journey into computer science when I was 15 by coding in C++, without having access to the internet and in good old fashioned Bloodshed C++ Since then more than 15 years has passed, and I managed to get an Master degree in computer science and statistics from the University of Economics in Bratislava. I had to opportunity to do build machine learning and distributed systems for early to mid sage startups.</description></item><item><title/><link>https://n1o.github.io/contact/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/contact/</guid><description>Contact Link to heading Feel free to contact me via email mrk.barak@gmail.com or socials.</description></item><item><title/><link>https://n1o.github.io/projects/</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://n1o.github.io/projects/</guid><description>Projects Link to heading Study notes Link to heading This is my compilation of notes from various subjects. This is work in progress, where I continuously migrate, rewrite, simplify the notes I have. During the years I wrote thousands of pages worth of notes, not always concise. Right now I prefer taking notes that are somewhat similar to the Zettelkasten method. Thus keeping them short, easy to follow, covering at most a single subject.</description></item></channel></rss>
\ No newline at end of file
diff --git a/posts/t5-the-old-new-thing/index.html b/posts/t5-the-old-new-thing/index.html
index c115123..250e949 100644
--- a/posts/t5-the-old-new-thing/index.html
+++ b/posts/t5-the-old-new-thing/index.html
@@ -49,7 +49,7 @@
 <a class=heading-link href=#ast-t5><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
 <span class=sr-only>Link to heading</span></a></h2><p>AST-T5 represents an intriguing extension of T5 specifically designed for code. In this variant, we harness the power of the Abstract Syntax Tree (AST) associated with the code. Notably, a novel objective called AST-Aware Subtree Corruption is introduced. This objective involves corrupting tokens within a code snippet with respect to the corresponding subtree in the AST.</p><h2 id=lens-t5-in-network-security>LENS: T5 in Network Security
 <a class=heading-link href=#lens-t5-in-network-security><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
-<span class=sr-only>Link to heading</span></a></h2><p>The LENS paper delves into the application of T5 in the realm of network security, and let me tell you, it’s quite the beast (I’m even planning to write a full blog post about it!). In a nutshell, the paper introduces multiple embedding strategies and pretraining objectives. While we won’t delve into the specifics of the embedding strategies (which include Payload Header Embedding and Packet Segment Embedding), we will certainly cover the pretraining objectives.</p><h3 id=packet-order-prediction>Packet Order Prediction
+<span class=sr-only>Link to heading</span></a></h2><p>The LENS paper applies T5 for network security, and let me tell you, it’s quite the beast (I’m even planning to write a full blog post about it!). In a nutshell, the paper introduces multiple embedding strategies and pretraining objectives. While we won’t delve into the specifics of the embedding strategies (which include Payload Header Embedding and Packet Segment Embedding), we will certainly cover the pretraining objectives.</p><h3 id=packet-order-prediction>Packet Order Prediction
 <a class=heading-link href=#packet-order-prediction><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
 <span class=sr-only>Link to heading</span></a></h3><p>In this pretraining objective, we focus exclusively on the Encoder. Our aim is to teach the model the natural order of packets within network traffic. To achieve this, we intentionally corrupt the order of the packets and then train the model to predict their original sequence.</p><h3 id=homologous-traffic-prediction>Homologous Traffic Prediction
 <a class=heading-link href=#homologous-traffic-prediction><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
diff --git a/projects/index.html b/projects/index.html
index 7b65508..e8795a1 100644
--- a/projects/index.html
+++ b/projects/index.html
@@ -5,7 +5,9 @@
 <a class=heading-link href=#projects><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
 <span class=sr-only>Link to heading</span></a></h1><h2 id=study-noteshttpsn1ogithubiostudy_notescontenthtml><a href=https://n1o.github.io/study_notes/content.html>Study notes</a>
 <a class=heading-link href=#study-noteshttpsn1ogithubiostudy_notescontenthtml><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
-<span class=sr-only>Link to heading</span></a></h2><p>This is my compilation of notes from various subjects. This is work in progress, where I continuously migrate, rewrite, simplify the notes I have. During the years I wrote thousands of pages worth of notes, not always concise. Right now I prefer taking notes that are somewhat similar to the <a href=https://en.wikipedia.org/wiki/Zettelkasten>Zettelkasten</a> method. Thus keeping them short, easy to follow, covering at most a single subject.</p></article></section><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css integrity=sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0 crossorigin=anonymous><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js integrity=sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4 crossorigin=anonymous></script><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js integrity=sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05 crossorigin=anonymous onload='renderMathInElement(document.body,{delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}]})'></script></div><footer class=footer><section class=container>©
+<span class=sr-only>Link to heading</span></a></h2><p>This is my compilation of notes from various subjects. This is work in progress, where I continuously migrate, rewrite, simplify the notes I have. During the years I wrote thousands of pages worth of notes, not always concise. Right now I prefer taking notes that are somewhat similar to the <a href=https://en.wikipedia.org/wiki/Zettelkasten>Zettelkasten</a> method. Thus keeping them short, easy to follow, covering at most a single subject.</p><h2 id=codebreakershttpscodebreakersre><a href=https://codebreakers.re>CodeBreakers</a>
+<a class=heading-link href=#codebreakershttpscodebreakersre><i class="fa fa-link" aria-hidden=true title="Link to heading"></i>
+<span class=sr-only>Link to heading</span></a></h2><p>This is a collection of posts and videos about reverse engineering, vulnerability exploitation and secure coding. Mainly focused on applying machine learning to these fields.</p></article></section><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css integrity=sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0 crossorigin=anonymous><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js integrity=sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4 crossorigin=anonymous></script><script defer src=https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js integrity=sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05 crossorigin=anonymous onload='renderMathInElement(document.body,{delimiters:[{left:"$$",right:"$$",display:!0},{left:"$",right:"$",display:!1},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}]})'></script></div><footer class=footer><section class=container>©
 2020 -
 2024
 n1o
