While one hacker wants to keep his identity private, the other two are known as File Descriptor and Paulos Yibelo. VpnMentor says it hired a team of three external ethical hackers to find vulnerabilities in three random popular VPNs.
A report by VpnMentor, a website which ranks VPN services, reveals several vulnerabilities in Hotspot Shield, Zenmate, and PureVPN - all of which promise to provide privacy for their users.
