http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/assurer-la-s%C3%A9curit%C3%A9-de-vos-donn%C3%A9es
While extreme, this can be an option if you want to protect data that you rarely access, but never want to lose (such as an encryption key , a list of passwords, or a backup copy of someone else's private data that has been entrusted to you). Or, an encrypted USB key kept safely hidden can be a simpler solution if you only need to store sensitive data.