Disordered Daggers : The Exphoria Code by Antony Johnston (2017)

 

( Bridge swore under her breath, coughed as she inhaled the very end of her cigarette, and lit another. It sounded crazy, so low-tech and old-school it couldn’t possibly be true. But then, this whole affair was at odds with itself. Passing coded messages online by pairing them with clues inside newspaper crosswords, transferring data by physically meeting a contact, and now stealing bleeding-edge computer code by snapping pictures of a screen. )