Group 1 - Cloudflare has fixed an issue that caused multiple banks, Shopify, Zoom, and LinkedIn to experience outages on Friday [1] - The company reported a pre-market drop of 6% in its stock, which narrowed to over 2% by the time of reporting [1] - Cloudflare's software is utilized by hundreds of thousands of companies globally, acting as a buffer between company websites and end users, and aims to protect websites from potential traffic overload attacks [1] Group 2 - On November 19, Cloudflare confirmed that a configuration error led to a system crash on Tuesday morning, affecting access to numerous global websites and applications, including X, ChatGPT, Spotify, and Canva [2] - The incident raised concerns about the risks associated with reliance on centralized infrastructure, especially following a recent outage of Amazon AWS in the "US-EAST-1" region [2] - This is not the first large-scale outage for Cloudflare; previous incidents include a 2019 outage that affected thousands of websites for up to 30 minutes and a 2022 failure that impacted 19 data centers, causing major websites to go down for about an hour and a half [2]