These are privacy sites I have found to be useful sources of information:
That One Privacy Site: The site has excellent VPN reviews. The site also has valuable information about email providers.
Privacy Tools: Provides knowledge and tools to protect your privacy against mass surveillance.
The Complete Privacy and Security Podcast is a weekly podcast that helps listeners to maintain their privacy in the digital age.
Berkman Klein Center for Internet & Society at Harvard University: The Center brings “together the sharpest, most thoughtful people from around the globe to tackle the biggest challenges presented by the Internet.”
ProtonMail: Encrypted Email and VPN provider in Switzerland
Tutanota: Encrypted Email provider in Germany