Mathieu Gaucheler
@shibasec
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OSINT SME at @MaltegoHQ. Maltego machines / custom Transform / talk material in my GitHub https://t.co/PJkpVdVwKZ
Barcelona, Spain
Joined April 2019
THREAD: Misinformation in the Iran/US/Israel war - 5 March This video, viewed nearly 2 million times, claims to show an American B-2 bomber being paraded through the streets of Tehran after being shot down by Iran. The video is AI-generated. It's not real.
THREAD: Misinformation in the Iran/US/Israel war - 3 March This viral video claims to show the aftermath of a reported drone attack on the US embassy in Riyadh, Saudi Arabia, tonight. But the video was posted last week to TikTok, and shows an unrelated car accident in Riyadh.
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Huge news here. Not only has Anthropic been banned from government use*, it’s been designated a supply chain risk. That means companies doing business with the pentagon can’t use them either. *pending 6 month wind down. https://t.co/X1CfwDlCQK
npr.org
Shortly after the president's ban of artificial intelligence company Anthropic, rival OpenAI announced it had done a deal with the Defense Department to provide its technology for classified networks.
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Since our CTF closed yesterday, I thought I would do a quick recap of the problems I encountered (and how to solve them) when writing challenges.
medium.com
I helped organise and create several CTFs in the last two years both for professionals and amateurs. In this blogpost, I would like to go…
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Participants explored challenges with topics ranging from terrorist group, online casinos, WHOIS registries, PMCs operating in Africa to a Russian shadow fleet tanker. I had the pleasure to design the challenges along with the CIRAT team from @MercyhurstU.
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Maltego community CTF happened last Saturday, it was a wild 4h ride. If you missed it do not worry: we are leaving the platform open until February 17! Go to https://t.co/Yv1pu4vbIJ and give it a shot. There is something for everyone, regardless of your experience level.
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🚨New Blog: Why is a Russian research vessel sharing AIS manipulation patterns with sanctioned weapons ships near a submarine base, then visiting an Arctic coal mine in Svalbard? https://t.co/IO4Ex8Yqa0
#osint #maritime #russia #svalbard #darkfleet
raebaker.net
Three vessels displayed synchronized AIS spoofing at Russia's Severodvinsk submarine base, then serviced Barentsburg. Vessel tracking analysis reveals Arctic military logistics under civilian cover
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Kudos to everyone who joined 4 intense hours of challenges in the #Maltego Community OSINT #CTF! Huge congrats to the winning teams for their speed & precision — your #OSINT skills rocked. https://t.co/wLjsA3921D
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Our CTF is happening tomorrow folks! We'll cover a wide array of subjects and we made the challenges so both beginners and experts could contribute. If you're looking for a team, head on over to Discord, link below 👇
Wake-up call for all hibernating #OSINT investigators! It's go time. Save the date for our #Maltego Community OSINT CTF here: https://t.co/wLjsA38uc5
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🚨 New Blog: Russia's Little Red Men: The Shadow Fleet Spies Nobody’s Looking For We're really good at tracking shadow/dark fleet vessels based on behavior patterns, but not many people ask who is on them. https://t.co/rbN3NQQKLN
#OSINT #Maritime #ShadowFleet @MarineTraffic
raebaker.net
Armed Russians from Moran Security Group are boarding shadow fleet tankers as covert operatives. Here's why OSINT analysts are missing the human layer and how to find crew data nobody's collecting.
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GeoConfirmed Announcement. For the OSINT community: GeoConfirmed QGIS Plugin is now available. Query GeoConfirmed's conflict geolocations directly from QGIS with: • Boolean keyword search • Faction & date filtering • Spatial filters (radius, canvas extent, within
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We're back with our Community OSINT CTF. Experts and beginners are welcome!
Wake-up call for all hibernating #OSINT investigators! It's go time. Save the date for our #Maltego Community OSINT CTF here: https://t.co/wLjsA38uc5
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GeoConfirmed Iran. The build-up of protests is clearly visible on our map. (Yellow) Every pin on this map is accompanied by the corresponding footage and its geolocation. Just click on a pin to view it. You can also use the time slider. Create a video using the play button
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Publication sur mon site perso - Désinformation: Dark OSINT, le côté sombre de la force "Tous les espoirs de cette transparence garantie par les veilleurs et enquêteurs en OSINT sont douchés. Nous qui avions cru qu'il suffirait de scroller sur X et Telegram pour tout savoir de
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🎁 A New Year’s gift to the geospatial community: a brand-new QGIS plugin that unlocks access to 80+ petabytes of satellite imagery and geospatial datasets with zero coding required. In my first video of 2026, I’m excited to share what might be one of the most powerful QGIS
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Bellingcat’s @KolinaKoltai uncovers the Hungarian national behind two deepfake porn websites. The key figure rakes in profits and vacations in luxury hotels in Dubai and Bali, whilst website visitors create sexually explicit images and videos. https://t.co/QAer0TWvxP
bellingcat.com
Business documents, website code and leaked data all led us back to one person profiting off non-consensual sexual imagery of women.
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NEW: The U.S. has unsealed a massive 99‑count indictment against a Russian GRU‑linked cyber operator behind attacks on American and European critical infrastructure including tampering with public drinking water systems and even compromising a children’s water park in the
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Life in Bamako, the capital of Mali, has been brought to a standstill after a jihadist organisation launched a series of attacks on inbound fuel convoys. Bellingcat has verified six attacks since September, which together have damaged more than 130 fuel tankers.
bellingcat.com
Attacks by a jihadist group on fuel convoys bound for Bamako, the capital of Mali, have destroyed more than 130 tankers since September, a Bellingcat investigation has found. The systematic attacks...
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