Snowflake helped Tor users thwart Russian censorship. Now the VPN is branching out as Snowstorm.

As protest and unrest grew in Russia and Iran over the past year, authoritarian regimes sought to crack down on civilians' internet access. These attempts were not entirely successful, in part thanks to anti-censorship tools like the anonymous web browser Tor.

For years, Tor has been a thorn in the side of censorious rulers...