8. IoT Security: MIT researchers have developed a transmitter that could help prevent hackers from attacking Internet of Things (IoT) devices, v3 reports. Such devices are vulnerable to attacks that are known to locate, intercept, and overwrite the data, and jam signals, the report says. 7. WannaCry Hero Faces More Charges: Marcus Hutchins, the 'hero' who essentially stopped the WannaCry malware outbreak least year, faces more computer crime allegations ... 6. Talent: Duo Security, which develops zero-trust solutions, has hired William Welch as president and Chief Operating Officer (COO). He previously held key posts at Zscaler, HP, Symantec and Oracle. 5. Top 2018 Tech IPO (So Far): Cybersecurity specialist Zscaler became the best-performing U.S. technology IPO of the year last week, after it announced revenue growth that analysts noted was "well ahead" of estimates, Bloomberg reports. 4.