![]() ![]() To limit your search to those that do, simply check the box next to "Two-Factor Authentication". The use of an app, like Google Authenticator, provides even more security, generating a one-time password that is valid for around 30 seconds.īy now, most of the services in our sample offer this capability. After that, you'll be prompted for a one-time code, which is generated through a server-based tool or sent by SMS to a phone number you've linked to your account. In the first step, you'll enter your username and password as usual. Two-factor authentication (2FA) or multi-factor authentication (MFA)ĢFA doubles a login process's security. If you’re looking for the best cloud backup for photos, give iDrive a try below. Many providers advertise this as "zero-knowledge authentication". If downloaded, they can only be decrypted by a machine that has the key. Before files are uploaded to the cloud, they're encrypted with your private key. Private key encryption means that a unique key is stored only on your computer. If your cloud backup service utilizes private key encryption, even their admins won't be able to see filenames. Hackers who have managed to get onto this server should only be able to see the names of your files, but not their content. The encryption used on the server storing your data plays a significant role in your files' security. The most important of these are encryption and two-factor authentication. An admin working for your cloud backup service accesses your data without your consent.Ĭloud backup providers are aware of these vulnerabilities and, as a result, use several different security features to head them off. ![]()
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