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AviD
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Tweeted twitter.com/#!/StackSecurity/status/179577234472964097
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Nick
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What security features and qualifications should we look for in an online backup provider?

What security features and qualifications should we look for in an online backup provider for an Internet-exposed web server storing sensitive data?

  1. In the backups themselves - encryption type, transport method, data center qualifications?

  2. In the client software that runs on our server- What do we look for to determine if the client software will create attack vulnerabilities in the server. I'm specifically thinking about a case where an attacker pretends to be the backup provider's service and "restores" a malicious file onto our system or obtains a copy of something sensitive. What questions should we ask to mitigate this possibility? ie. should the client authenticate the provider's server?

  3. Is it bad practice to use a backup service that can (easily) restore files back to your server? ie. where you can select files on a web based control panel and it restores those files "on demand"?

In our case, it's a production web server that runs an e-commerce site and collects credit card information. We need to 1.) Maintain PCI compliance and 2.) prevent down time and bad publicity.