<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Atharv Vadehra (ARV) — writing</title><description>Atharv Vadehra (ARV) is a cybersecurity MSc student at the Technical University of Denmark (DTU) and DevOps / cloud engineer in Copenhagen. Projects, write-ups, and notes on cybersecurity and AI.</description><link>https://atharvvadehra.dev/</link><language>en</language><item><title>A rough week for the internet: PHP, LiteLLM and a compromised certificate authority</title><link>https://atharvvadehra.dev/blog/cyber-news-2026-10-22-php-litellm-emudhra/</link><guid isPermaLink="true">https://atharvvadehra.dev/blog/cyber-news-2026-10-22-php-litellm-emudhra/</guid><description>Critical PHP flaws, a poisoned LiteLLM release and leaked eMudhra CA keys: what was reported, and what a DevOps team should check.</description><pubDate>Thu, 22 Oct 2026 00:00:00 GMT</pubDate><category>cyber-news</category><category>PHP</category><category>Supply chain</category><category>PKI</category><category>LiteLLM</category><category>Node.js</category><author>atharv@vadehra.me (Atharv Vadehra)</author></item></channel></rss>