Discusses how the security side wins, however unfairly because many reasons are often flawed. 

JN-25: code used during and slightly before world war II

I like the way this is written because the author makes it a fun read. It is not a long boring article about the writing process of her story, but rather it breaks down her process into steps. Moreover, her writing is entertaining, which grasped my interest more so than many other posts. 

A description of how the Copiale Cipher was cracked. 

An in depth summary about Mary, Queen of Scots, and the people she encountered.