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My approach, methodology, and takeaways from ctf.osint.industries challenges.

Challenge statistics
10
Solved
86
Points
6
Geolocation
4
Person
Easy 5
Medium 3
Hard 2
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Easy 3 pts
Find the Masked Man
OSINT · Geolocation

Identified the nearest Paris metro station from a photo using storefront clues and Google Maps.

Google Maps GEOINT
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Easy 5 pts
Caught In The Act
OSINT · Geolocation

Determined the location of the university based on photograph and contextual clues.

OSINT
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Medium 10 pts
Lost In Transit
OSINT · Geolocation

Find the train station from a photo and the time of day.

OSINT
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Hard 10 pts
UK Suspect
OSINT · Geolocation

Identified the location of the two suspects based on a series of photographs and contextual clues.

OSINT
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Easy 3 pts
DEPIX
OSINT

Identify the passengers details based on their online flight ticket.

OSINT
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Medium 15 pts
A Taste of Influence — Part 1
OSINT · Person Investigation

Identified a gastronomic festival attended by a culinary professional using only his public Gronda profile as a starting point.

OSINT Person Investigation
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Medium 10 pts each
A Taste of Influence — Parts 2, 3 & 4
OSINT · Person Investigation

Extracted a personal email address and phone number from Konstantin Gladkikh's publicly accessible Instagram contact panel.

OSINT Person Investigation
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Easy 5 + 20 pts
Operation HILTON — Parts 1 and 2
OSINT · Person Investigation

Identified the suspect from the 2026 White House Correspondents' Dinner shooting and the seized weapon using open-source press coverage and specification matching.

OSINT Person Investigation Weapons ID
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Hard 30 pts
Operation LOCKERGOGA
OSINT · Person Investigation

Identified the vehicle of a Europol Most Wanted ransomware suspect using a licence plate, VIN number, and odometer reading found in his own Instagram posts.

OSINT Person Investigation VIN Decode
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Easy 10 pts
The Benarroch File
OSINT · Person Investigation

Located the 2015 home address of an Interpol Red Notice subject using historical legal filings on a French public business registry.

OSINT Person Investigation
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