Recently, OpenSSL had a serious vulnerability called heartbleed bug (CVE-2014-0160). It effects to version 1.0.1 to 1.0.1f and 1.0.2-beta. Basically, this bug allows attackers to access the sensitive, encrypted data, for example the customer information.
Customers can use this tool for heartbleed bug checking. We keep monitoring this issue carefully and if there is any action that needs to be done, we will update system right away and inform our customers. At VietNAP Hosting, customers can be sure that we take security very seriously.