We only allow https access to the service. All communication from your browser to our cloud is encrypted using SSL/TLS. After files are uploaded to our cloud they are stored at rest encrypted using AES 256.
Our servers are deployed in locked cages in SSAE16 compliant datacenter. Only authorized personnel have physical access to the servers. Access to various areas of the datacenter is restricted via fingerprint scanners. In addition datacenter has 24x7 surveillance cameras for monitoring.