Graphene OS: a security-enhanced Android build [LWN subscriber-only content]Welcome to LWN.net The following subscription-only content has been made available to you by an LWN subscriber. The GrapheneOS Android rebuild is an attempt to improve on that situation. At its core, GrapheneOS is an effort to harden Android against a number of threats and to make Android serve the privacy interests of its users. Many of them are designed to make the device work as if the owner of the device actually owns it. Then there is the whole slew of banking apps, ride-share apps, airline apps, and so on that, seemingly, are indispensable in modern life.