Mobile application providing a virtual private network
Guardian Firewall is a VPN, firewall, and password manager for iOS, which also blocks data and location trackers. Its network crypto suite is IPSec (Using IKEv2). The service, which claims to collect no user information, takes the form of an app which first became available in June 2019. 
The company behind the product is Sudo Security Group. Its founder is Will Strafach, a security researcher, and the COO is Chirayu Patel.
Guardian Firewall was featured in the show "Lockdown" in 2020. Later that same year, Guardian began to be offered as an add-on service to the Brave web browser.
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