Recent events that mined the data from Email Service Providers has affected the credibility of the industry and has increased the importance of email data security and protection of subscriber's personally identifiable information.
There are several ways the email data can be compromised or breached. From employees to information security of the email systems and server infrastructure to policies and permissions in the system.
How does your Email Service provider can prove you that they have taken adequate measures in assuring you the security of the data and protection against the above breaches? Are they getting audited for such measures? Do they have a history of such protection?
For more details, read our presentation at http://www.kenscio.com/resource-center/Email_Marketing_Data_security_april_2011_Kenscio_V2.pdf