Topic
Files and information
Backups and recovery: copies you can actually restore
A backup counts only if you can restore it without the lost device or account. Syncing is not enough; keep extra copies of what matters, store at least one copy somewhere else,…
Files and information
File-tool resources: protection, publication and recovery
For files, encryption at rest, stripping metadata before you publish and a tested backup are three separate jobs. Choose a tool that matches the job; an undelete program is not a…
Files and information
Lessons from TrueCrypt: migrating from a legacy tool
TrueCrypt development stopped suddenly in May 2014. The lasting lesson is to leave unmaintained tools behind, not that an algorithm necessarily broke overnight. Move leftover data…
Files and information
Removing identifying information from photos, videos and documents
Before you publish a photo, video or document, review both the visible content and the hidden metadata. GPS location, an author’s name and leftover comments can travel with the…
Files and information
Sanitizing sensitive information: deletion, reset and device retirement
Emptying the trash usually does not destroy data forever. Before you sell a device, back up what you still need and use a factory reset on a disk that was already encrypted, and…
Files and information
Secure file storage: encryption, recovery keys and unintended copies
Encryption makes it hard to read files on a lost device or disk, but it does not protect an open file or leftover plaintext copies. Treat disk encryption and file encryption as…
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