Effenok
effenok.bsky.social
Effenok
@effenok.bsky.social
writeups for OSINT challenges: https://medium.com/@effenok
Pinned
Write-Ups for Bellingcat OSINT challenge for October are available on my medium page.

medium.com/@effenok
Maritime OSINT introduction with Bellingcat Challenges.

Part 1: Introduction to the vessel identification system and ship tracking website with “Straight Through”

medium.com/@effenok/bel...
Bellingcat Challege: Strait Through
This is the third one of October 2025 Bellingcat Challenges, which introduce us to maritime OSINT. This challenge introduces us to vessel…
medium.com
November 1, 2025 at 2:30 PM
Weeeeeeee. My medium page got a visitor🥳🎉.

Thanks to the Bellingcat community managers for making the challenges experience even rewarding.

Although I would very much like to understand which write-ups people consider useful. Any feedback, especially negative, is always appreciated.
October 30, 2025 at 2:19 PM
Write-Ups for Bellingcat OSINT challenge for October are available on my medium page.

medium.com/@effenok
October 16, 2025 at 3:48 PM
final preparations for today's livestream (actually immediately after the livestream)😓
October 15, 2025 at 1:59 PM
Was super honored to have 3 of my write-ups for September challenges being featured in the newsletter.

It was a lot of fun writing them, but also quite a lot of extra work and it was a very pleasant feeling to be appreciated. Thanks to the Bellingcat community managers for their amazing work.
Want to stay up-to-date with the challenges? Subscribe to our monthly newsletter. Here we’ll also share the answers of last month’s challenges, thanks to everyone who submitted a blog, write-up or shared their methods in our Discord.

bellingcat-challenges.beehiiv.com/p/oceans-of-...
Oceans of Evidence
Ready to track some ships? This month we're covering ship tracking in the Bellingcat Open Source Challenge.
bellingcat-challenges.beehiiv.com
October 15, 2025 at 1:27 PM
Bellingcat open source challenge for October completed.

Time to start writing.
October 8, 2025 at 11:13 AM
Reposted by Effenok
Had both the great privilege and some great fun developing some maritime OSINT challenges for the fine folks at @bellingcat.com !

Huge appreciation for their work and other investigative outlets telling the important stories happening on our oceans.
Smuggling routes, illegal fishing operations, and shadow fleets. There’s loads going on at sea. Try to track some ships yourself, this month in the Bellingcat Open Source Challenge. Find the exercises, created by our volunteer @tomi-mcc.bsky.social, here: challenge.bellingcat.com
October 6, 2025 at 12:53 PM