The OSINT Newsletter – Issue #108

👋 Welcome to the 108th issue of The OSINT Newsletter. This issue contains OSINT news, community posts, tactics, techniques, and tools to help you become a better investigator. My goal with this newsletter is to help promote the OSINT industry, develop better investigators, and raise awareness of ethical use cases for open source intelligence.

🪃 If you missed the last newsletter, here’s a link to catch up.

⚡ Call Data: OSINT on Phone Numbers

The OSINT Newsletter – Issue #107

Let’s get started. ⬇️

📰 How To Investigate A Person Of Interest In 2026

An advanced guide on person search built for the year 2026. It includes tools, tactics, and techniques using available methodology. You can use this guide to build a Claude skill and augment it with your own methods.

Read on Medium…

🎩 H/T: Precious Vincent

📰 Inside Modern OSINT: Detecting Disinformation, Tools of the Trade, and the Ethics That Shape It

An OSINT guide on tracking coordinated disinformation through timing patterns, account behavior, and cross-platform signals, using verification tools like image search, geolocation, and archives, while considering privacy risks and ethical challenges in open-source investigation.

Read on Impact Grid…

🎩 H/T: Zoya Baig

📰 Signals in the Noise: Open Source Intelligence (OSINT) for AI Loss of Control Detection

An advanced OSINT/CTI framework for detecting AI loss of control. It maps threat models, observable traces like user transcripts and inference choke points, plus monitoring techniques using available methodology.

Read the paper…

🔎 OpenOSINT

OpenOSINT is an open-source OSINT framework for collecting, organizing, and analyzing publicly available data to support investigations, combining automation tools and modular workflows for reconnaissance, data gathering, and information analysis.

GitHub

🎩 H/T: Tommaso Bertocchi

🔎 Open Graph Intel (OGI)

OGI is an OSINT-focused tool for visualizing and analyzing connections in data, helping map relationships between entities, sources, and signals to support investigative workflows and structured analysis of information networks.

Web App

🎩 H/T: khashashin

🔎 Anthropic Courses

Anthropic’s learning hub is a training platform providing structured courses on using Claude, AI workflows, and developer topics, with lessons, quizzes, progress tracking, and certificates for completion.

Anthropic Academy

🏁 New CTF Challenge Live – The Scammer

A new CTF challenge has been posted on our CTF website. This week’s challenge involves

conducting an investigation on a phone number linked to a suspected scammer.

Start competing in our Capture the Flag (CTF)

🪃 If you missed the last CTF, here’s a link to catch up.

Last week’s CTF challenge featured a challenge titled “Last Order” where participants were tasked with finding a restaurant’s location, and the dish that a suspect had ordered.

Challenge Solution WU :

Using a reverse image search on the provided cctv image, we find a match showing a restaurant called Amor Gastronomia in London on TheFork.

By checking the restaurant’s official website, the address is listed in the footer as Halloway Road 139.

Finally, reviewing the restaurant’s London menu, the most expensive signature pasta dish appears to be TAGLIOLINI AL TARTUFO.

✅ That’s it for the free version of The OSINT Newsletter. Consider upgrading to a paid subscription to support this publication and independent research.

By upgrading to paid, you’ll get access to the following:

⚡ Codifying Open Source Intelligence Methodology with AI

• There are dozens if not hundreds of methods for open source intelligence collection, analysis, and dissemination. Everyone has a different process, too. In this issue, I’m going to show you how you can create a repository of methodology that you can use to instruct your AI of choice to automate.

👀 All paid posts in the archive. Go back and see what you’ve missed!

🚀 If you don’t have a paid subscription already, don’t worry there’s a 7-day free trial. If you like what you’re reading, upgrade your subscription. If you can’t, I totally understand. Be on the lookout for promotions throughout the year. I’ll start with How To Investigate A Person Of Interest In 2026 from the OSINT news section.

🚨 The OSINT Newsletter offers a free premium subscription to all members of law enforcement. To upgrade your subscription, please reach out to LEA@osint.news from your official law enforcement email address.