How secure are your data centers? Josh Dronzek Updated April 23, 2014 15:11 Follow Extremely secure. The GreySignal facilities are monitored 24 hours a day, seven days a week, and protected with redundant layers of biometric controls at all access points. Vault access is further restricted to only designated personnel. Related articles What measures have been taken to secure data at the vault level? Comments 0 comments Please sign in to leave a comment.