Summary
Member-only story Hacker Holidays 2026: Day 6 Walkthrough (Overheard at Breakfast) A conversation overheard at breakfast leaked an email address. That email led to a forgotten Gravatar profile. That profile contained the flag. This is part of my Hacker Holidays 2026 walkthrough series. Read all walkthroughs here: This is Day 6 of my Hacker Holidays 2026 walkthrough series. After a deep Boot2Root challenge on Day 5, today we return to OSINT. But this time, instead of hunting for Instagram accounts, we are using a tool that most people forget even exists: Gravatar. This challenge is a masterclass in how a single piece of information (an email address) can unravel an entire digital footprint.