Advent of OSINT 2025: Day Thirteen

Day Thirteen I’ve held back on introductions for the past few days. There isn’t much to add and I’m still playing catch-up, but we’re getting there! Today’s challenge is a fun one. We need to enter map coordinates (or just click on the map, very similar to GeoGuessr!) for the first answer here. Question one In the summer of 2013, a blog post from the newspaper Le Monde looks back on a concert held the previous evening. Place on the map the location of the stage during this concert. ...

December 13, 2025 · 3 min · 525 words · Ligniform

Advent of OSINT 2025: Day Twelve

Day Twelve Question one A locksmith’s shop was located immediately next to this temp agency. What was the company’s legal name? Back to some French. No problems with that, just means we need to look a little closer and make sure we follow up with every little hint and possibility. That’s no problem, in fact I should be doing that anyway! We don’t get much from reverse-image searching the full photo we’re given so I wanted to see if there were any other clues in the image. At first I wondered if we could unpixelate the big green logo. This is possible to do but we need to know a lot more information about the font and other information that we’re just not going to get. ...

December 12, 2025 · 2 min · 350 words · Ligniform

Advent of OSINT 2025: Day Eleven

Day Eleven Question one One Saturday in 1988, a German lottery draw consisted only of odd numbers. What were the winning numbers (in ascending order)? I was a software developer for a while before making the change to Cybersecurity, but my maths is still quite bad. Thankfully it appears that the lottery numbers for 1988 are archived on this site. You’ll notice though, that every single one of these draws was on Saturday so it seems that we’re on the right track. ...

December 11, 2025 · 2 min · 274 words · Ligniform

Advent of OSINT 2025: Day Ten

Day Ten No preamble for this one. Let’s get right into it. Question one December 2024 was a sad month for rhinoceroses in South Africa. Which park saw 19 of its rhinos killed for their horns? Quick and easy question. Searching for 19 rhinos killed south africa gave this article: … Police in Mpumalanga are investigating the circumstances surrounding the death of 19 rhino at the Kruger National Park…. Not the most fun news, but Kruger is the answer. ...

December 10, 2025 · 2 min · 372 words · Ligniform

Advent of OSINT 2025: Day Night

Day Nine Today was another fun one! It involved a bit of travel for me, but it was a lovely trip. Here’s the challenge, so let’s get right into it! Question one This song is closely linked to a statue. Before this statue was moved, what could it read, engraved on the pediment facing it? You’ll have to listen to the snippet of the song on the site, but these are the lyrics that we really care about; ...

December 9, 2025 · 2 min · 333 words · Ligniform