Panel 1


Nico “Dutch_Osintguy” Dekens is an All Source Analyst specializing in Open Source Intelligence (OSINT), online Human Intelligence (HUMINT) and Online investigations.

Nico Eats, Sleeps, and lives everything which has to do with OSINT, online investigations, Intelligence gathering and Analysis.

Nico is an international lecturer at Fortune 500 companies and governments. He has over 20 years experience as an (all source) Intelligence Analyst at Dutch Law Enforcement. He analyzed murder cases, international narcotics cases, stolen art cases, gang violence cases, political disturbance cases, online jihadist groups & conducted several online, covert, virtual HUMINT investigations.

Nico has worked as Senior Project Manager at Bellingcat, an international independent investigative research collective.

Online Nico is known as Dutch_OsintGuy and very active within the OSINT community. He is a Co-founder of the OSINTcurious project. Also he is a Sans Institute instructor for the SEC487: Open-Source Intelligence (OSINT) Gathering and Analysis course.

Currently Nico is working as an independent research analyst and consultant.

Panel 2


With the experience Nico has within research, analysis and open source intelligence he can help your organization grow, learn and become better. Below are some examples of what he can do for your business:

For upcoming open workshops and trainings please visit the events & blogs section

OSINT investigations

Custom OSINT trainings

Help implement online research / OSINT methodologies as a team

Keynote speaker at a conference or event

OSINT risk assessments of your company and high-profile persons

Fact checking of fact-news or disinformation

Due Diligence research

Online Investigative Research

Security Awareness training and workshops

OSINT keynotes & workshops

All of the above are custom tailored products. Please contact us for your specific requirements and unique needs.

Dutch Osint Guy Intelligence Services has been tested by the Centre for Post Intitial Education Netherlands (CPION) on the principles of care, legal certainty, reasonableness, reliability and trustworthiness. Dutch Osint Guy Intelligence Services complies with the CRKBO registration with the quality code for training institutions for short vocational education

Panel 3



Amsterdam August 2020 Part 1: Sans Open Source Intelligence gathering & analysis (SEC487) course Mon, August 3 – Sat, August 8, 2020

Sans Open Source Intelligence gathering & analysis (SEC487) course Europe Online 2020 – LIve Online Aug 17 – Aug 28, 2020

Free Webinar: SANS@MIC – Leveraging Telegram for OSINT purposes. This talk is all about Telegram and how the social media app can be used to gather Open Source Intelligence (OSINT). It will show what Telegram is about, how to spot the difference between bots, groups and users. The talk will also cover how to find telegram groups on the clear-web. Attendees will get useful and practical tips on how to scrape and extract data from telegram users and groups.Monday, August 17, 2020 at 3:30 PM EDT (2020-08-17 19:30:00 UTC) Sign up here.

Open workshop: [dutch language] Google Advanced Searching & Monitoring 1-day training October 29 2020 in person (AMSTERDAM) , get registered here.

Open workshop: [ENGLISH language] Workshop advanced searching and monitoring with Google for professionals 2 – half day training October 22 & 23, 2020 virtual ONLINE, get registered here.

Several private keynotes and workshops in 2020


The OSINTcurious webcast / podcast is a bi-weekly OSINT recording with special-guest interviews and in depth OSINT and infosec related discussions, tutorials and more. 


Blog Post Vicarious trauma and OSINT – a practical guide June 2020

Free Webinar: Getting The Most Out Of Google
There is more to Google than meets the eye and by using a few proven techniques you can get better quality results while wasting less time. Join us for a chat with well known OSINT instructor Nico Dekens (@dutch_osintguy) as he shares his favorite techniques for getting the most out of the world’s most popular search engine. Watch it here: June 2020

SANS @MIC TalkUsing the OSINT Mind-State for Better Online Investigations. In recent years, public interest in open-source intelligence gathering and analysis has increased exponentially. As this interest has grown, more and more OSINT investigations have been relying on tools and automation, leaving the analysis process behind. In this talk, Nico will show why you should consider OSINT a thought process. The “OSINT state of mind” is key for keeping track of your investigative steps, picking the right tools and sources, analyzing the data, and reporting to generate actionable intelligence. Watch the Recording here May 2020

Blog post “Stop Sharing Start Caring” An Open Source Intelligence perspective on the online sharing behavior of humans as effect of COVID19 pandemic to enable better Security Awareness. April 2020

Layer8 Osint Podcast Listen to Episode 14 here: Dutch_Osintguy – Spot the Jihadi PODCAST

10 minute (video) tip: Viewing LinkedIn Profiles Anonymously, Feb 2020

The Physical and the Digital of Open Source Intelligence – Recorded Future Podcast episode 142 PODCAST

Google dorks, google search tips & tricks, Dec 2019

De Bellingcat methode, radio interview for NPO Radio 1 De Nieuws BV, Sept 2019 RADIO

Tech against terrorism podcast : The power and responsibility of Open Source Intelligence, oct 28 2019 PODCAST

Muting the Twitter algorithm and using basic search operators for better OSINT research, Aug 2019 BLOG

Basic OPSEC tips & Tricks for OSINT researchers, Apr 2019 BLOG

Using OSINT for your personal threat model, Jan 2019 BLOG

OUCH! Newsletter : Search yourself online, Jan 2019 NEWSLETTER

Clicking shit for OSINT purposes, Dec 2018 BLOG

Scraping and Visualizing Twitter mentions, Jun 2018 BLOG

Osint is a State of Mind, Jan 2018 BLOG

Radical Engagement: Hypothesising a radical multi-platform journey , July 2016 ACADEMIC RESEARCH


Sans OSINT summit February 18th 2020 in Alexandria VA (USA) keynote & The OSINTcurious project panel (agenda)

Sans Open Source Intelligence gathering & analysis (SEC487) course 19-24 February 2020 (Alexandria VA, United States)

FREE WEBINAR : Operations Security (OPSEC) tradecraft tips for online Open Source Intelligence (OSINT) Research. Watch the webinar here

Keynote “Wat is OSINT”  Tweakers XL privacy & Security Summit nov 02 2019 [in Dutch only]

Keynote OSINT basics @ Infosecurity Netherlands oct 30 & 31 2019

Keynote OSINT @ Dutch Cyber Warfare Community XXI event “A Night at the Military” Oct 24

Fighting Fake News @ Lowlands Festival, Aug 2019 PANEL DISCUSSION

Sans Amsterdam Bonus session : Operations Security (OPSEC) tradecraft tips for online Open Source Intelligence (OSINT) Research, May 2019 KEYNOTE

Prodicom Netwerkclub : Open Source Intelligence 101 and your digital fingerprint, Apr 2019 KEYNOTE

European Security Awareness Summit LONDON : Workshop – Open Source Intelligence, Nov 2018 KEYNOTE WORKSHOP