A 22-year-old spent $11 and thwarted the global cyber attack | Educational Technology News | Scoop.it
From www.axios.com - May 15, 2017 8:28 AM

"A 22-year-old British cybersecurity researcher thwarted yesterday's "Wanna Decryptor 2.0" cyber attack that affected computers worldwide by spending nearly $11, the Washington Post reports."