Third party security researchers have released reports that claim Hola has numerous vulnerabilities in their client software, leaving users vulnerable to attack. In addition, these reports claim that Hola user's bandwidth was sold and that users are unknowingly part of a "botnet." For more information on the claims and findings refer to the posts here:
http://adios-hola.org/ The response to these claims and the vulnerabilities from the Hola CEO can be read on their website here:
https://hola.org/blog/the-recent-events-on-the-hola-network/
