Take the Christmas OSINT Challenge
- Laura Chappell
- Dec 18, 2025
- 2 min read
On December 10th, Chappell University sponsored a Christmas OSINT Challenge for the HTCIA Silicon Valley Chapter (and guests). As a nice way to close out the year, participants were given a chance to win one of five $50 Amazon gift cards upon completion.
TAKE THE CHALLENGE
The Challenge event has ended, but we are leaving the Challenge evidence online if you'd like to give it a try for fun.
Link to Challenge: https://www.chappell-university.com/htciasv25
OSINT TIPS
If you are new to Open Source Intelligence, here are some things to look for to identify each city that Santa is passing through. (Note: click on an image to open a higher resolution version in a new tab.)
Street signs: Street names, directional signs, and sign colors or shapes.
Language on signs: The written language and alphabet used.
Phone numbers: Country codes, area codes, or emergency numbers on signs or vehicles.
Recognizable buildings or landmarks: Famous structures, monuments, stadiums, bridges, or unique buildings.
Business names and storefronts: Local businesses, chains, or regional brand names.
License plates: Plate color, size, numbering style, and visible state or country names.
Road markings: Lane lines, crosswalks, symbols, and pavement text.
Traffic direction: Left-hand or right-hand driving.
Flags: National, regional, or city flags.
Currency and prices: Currency symbols or price formats shown on signs.
Public transportation signs: Bus stops, train stations, tram signs, or route maps.
Architecture style: Building shape, materials, roofs, balconies, and window styles.
Climate clues: Snow, palm trees, desert terrain, rain gear, or storm shutters.
Vegetation: Trees, plants, and landscaping common to certain regions.
Power lines and streetlights: Pole style, wiring, and light fixtures.
Emergency services markings: Police, fire, ambulance vehicles, or emergency numbers.
Advertising and billboards: Language, brands, political signs, or public notices.
People’s clothing: Seasonal wear, uniforms, or culturally distinct clothing.
Terrain and surroundings: Mountains, coastline, urban density, or rural features.
Time-related clues: Sun position, shadows, seasonal decorations, or holiday signage.
Happy holidays to all! Best wishes for 2026!