Articles & Analysis

Best Practices for Enterprise Email Security

Email security is a major concern in enterprises where transmission and storing of email is snooped by the hackers. The only way to strengthen is to follow the best security practices with respect to the service providers.

In the enterprise, every email that is sent/received and stored and which contains sensitive information about businesses is always a challenging task to be secured by the ever intruding eyes of the hackers. The only way to strengthen the email security in an enterprise with respect to the service provider is to keep upgrading the IT security measures and following the best security practices.

To strengthen the Enterprise Cloud email services from various solution providers, one should constantly work to build all the services and applications to comply with highest security standards, fortify security infrastructure to mitigate the risks even at granular levels and have some of the most advanced security features, which should be applied as per your company IT policy by the admin over the cloud.

The following are some of the check list before you choose an enterprise cloud based email service provider.

Virus & Spam Protection : Your email service provider should possess a built-in antivirus of zero virus outbreak capability and real time new virus definitions along with multi-layered spam protection with advanced mail filters, and custom spam setting for individual & entire domain whitelisting & blacklisting.

Security Vulnerability Detection : Your enterprise based email service provider should have features such as automatic vulnerability detection systems to thwart hacking even before the process starts and if any deviation from standard email usage is detected, it should block access to mails.

Secure Storage : The email service provider should have secure storage at various locations with multiple data centers in proximity to the International Internet landing stations to reduce latency and must possess most reliable power supply, equipped with bio-metric scanner, surveillance cameras and guarded 24/7, 365 days and multi-level checking to ensure only the authorized personnel have access to secured storage location.

Secure Transmission : One of the most crucial aspect of any business email requirement is secure transmission of email contents. For this, the basic requirement is to have a secure login to email service via ‘https’ to ensure that no unauthorized access by malicious hackers can intercept the email data across all access points.

Security Audits : Last but not the least, is the security audit of all security systems are updated by the latest patches. They should be specifically audited by third party tools to ensure that there is no vulnerability in the security systems.

Incoming And Outgoing Attachment Restrictions : One of the crucial features to look for in your cloud based admin control panel is the Incoming And Outgoing Attachment Restrictions. Admin should be able to frame relevant policies on the attachment and send-received mails from a domain or an individual. Admin should be able to block sending/receiving of unwanted/suspicious attachments like exe, cab, etc. On applying restrictions, user will not receive or sent mails of similar attachments. Admin can also restrict the file size as per the business requirement of each user or on the entire domain, to ensure just enough transfer of email data via attachments.

Conclusion Note

One can minimize the email security risk factors by implementing the advanced features and following the best IT security policies in keeping your enterprise cloud based email secured.

Author’s Info.

R. Manoj

The author is a Senior Editor at Bitstream Mediaworks.
He has an active interest in IT Security.

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