For hackers seeking to maximize chaos, so-called denial-of-service attacks that knock targets offline with waves off junk traffic are typically more of a blunt cudgel than a weapon of mass destruction ...

In 2018, a hacker hired by the Mexican Sinaloa drug cartel run by the infamous kingpin Joaquín “El Chapo” Guzmán spied on the U.S. Embassy in Mexico City with the goal of identifying “people of ...