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Firefox Sync takes the security of your data very seriously. All data is stored in a way that only you can read. Learn the details of how it works.

'''Firefox Sync takes the security of your data very seriously. All of your data is stored in a way that only you can read.''' When you configure Firefox Sync, a {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is generated. You can think of this key as a digital version of a real-life key you use to open doors or safes. When you send data to a Sync server, Sync creates a digital safe on your computer, puts your data in that safe and then uses the {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} to lock it. The digital safe is then transferred to and stored on the Sync Server. Your {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is the only key in the universe that can open this digital safe and there is no other way to crack the safe. If someone accesses your Sync data on the Sync server, they only see your digital safe not what's inside. The {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is generated in a way that it would take thousands of computers, all working together, many years to duplicate your key and unlock your safe and the data inside. If you want to select a specific, created by you, server you can try to [http://docs.services.mozilla.com/howtos/run-sync.html Run your own Sync Server]. {note}'''Note:''' Using a {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} to protect your data is required. It's not possible to change your settings to not use a {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for}.{/note} =Tell me more= A {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is a cryptographically secure, randomly-generated key. It is generated by the Sync client when you initially configure Sync. The {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is used to encrypt data before being sent to the server. The {for =fx35,=fx4,=fx5,=fx6,=fx7,=fx8}Sync Key{/for}{for fx9}Recovery Key{/for} is never transmitted to the Sync Server, so the neither the server nor the people with access to it know how to decrypt your stored data. More technical information is [http://docs.services.mozilla.com/sync/overview.html available]. [[Template:ShareArticle|link=http://mzl.la/Nd5ZcL]]