A good reminder how important it is to research VPN companies and choose one of the best, instead of just going with a cheap one:
Seven VPN Services Exposed Millions of Users’ Data
According to their websites, each of these VPNs provides "military-grade security features and zero logs policies" for the information security of their users.
However, we found multiple instances of internet activity logs on their shared server. This was in addition to the email addresses, clear text passwords, IP addresses, home addresses, phone models, device ID, and other technical details.
The services affected are UFO VPN, FAST VPN, Free VPN, Super VPN, Flash VPN, Secure VPN, and Rabbit VPN – all of which appear to be connected by a common app developer and white-labeled for other companies.
https://www.vpnmentor.com/blog/report-free-vpns-leak/
How to choose a VPN:
https://medium.com/privacytools/choosing-a-vpn-a35e79b7c56e