Zodiac-TV-bar

The TV channel HISTORY is launching a series about the Zodiac Killer. Allegedly, a solution to one of the famous cryptograms created by this serial killer will be presented.

Moustier-bar

The encrypted altar inscriptions of Moustier, Belgium, have been puzzling codebreakers for 170 years.

Manila-Cryptogram-bar

CRAQUEREZ, SAUKNOTEN, INCLEMENTE – these are three words from an encrypted message sent from Manila to Washington in 1898. Can a reader break this cryptogram?

NSA-Symposium-2017-bar

The biannual Symposium on Cryptologic History organized by the NSA is the most important crypto history event in the world. Here’s my report on the 2017 edition.

Kaliningrad-bar

Two years ago an encrypted bottle post was found in Kaliningrad, Russia. Can a reader break this cryptogram?

Aikin-Cryptogram-bar

A PhD student has come across an encrypted message written by a 19th century anarchist. Can a reader break this encryption?

Alster-Bottlepost-4-bar

A fourth encrypted bottle post has been found in the river Alster in Hamburg. Still nobody seems to have a clue what these strange messages mean.

Freemason-Document-bar

The Freemasons are known to have created a great variety of encrypted documents. Can a reader solve this one from the 19th century?

Pigeon-Cryptogram-bar

Five years ago an encrypted carrier pigeon message from World War II hit the news. So far, nobody has been able to decipher it.

Postcard-US_morse_Bar

An encrypted postcard from the 1870s is written in a strange code. Can a reader solve it?