2019 State of Email Security Report
Actionable steps to improve your organization’s email security and cyber resilience.
Last Updated – July 31, 2018
This document describes technical and organizational security measures and controls implemented by Mimecast to protect the data customers entrust to us as part of the Mimecast Awareness Training services (Mimecast AT Service).
Within this document, the following definitions apply:
To outline Mimecast’s information security structure.
a) Mimecast employs full-time dedicated trained/certified security Personnel responsible for information security.
b) The information security function reports directly to the Mimecast senior leadership team.
c) Mimecast has a comprehensive set of information security policies, approved by senior management and disseminated to all Personnel.
d) All Mimecast Personnel have signed legally reviewed confidentiality agreements.
e) All Mimecast Personnel are given training in information security.
To demonstrate Mimecast’s commitment to manage the assessment and treatment of these risks and to continually improve its information security.
a) Mimecast has deployed an ISMS (Information Security Management System) that serves as the foundation of our information security practices.
To protect the physical assets that contain Customer Data.
a) The Mimecast AT Service is housed with the Amazon Cloud environment. Amazon’s description of their data center physical security controls can be found here: https://aws.amazon.com/compliance/data-center/controls/
To ensure systems containing Customer Data are used only by approved, authenticated users.
a) Access to Mimecast systems is granted only to Mimecast Personnel and/or to permitted employees of Mimecast’s subcontractors and access is strictly limited as required for those persons to fulfil their function.
b) All users access Mimecast systems with a unique identifier (UID).
c) Mimecast has established a password policy that prohibits the sharing of passwords and requires passwords to be changed on a regular basis and default passwords to be altered. All passwords must fulfil defined minimum complexity requirements and are stored in encrypted form.
d) Mimecast has a comprehensive process to deactivate users and their access when Personnel leaves the company or a function.
e) All access or attempted access to systems is logged and monitored.
To ensure Personnel entitled to use systems gain access only to the Customer Data that they are authorized to access.
a) As a matter of course, Mimecast Personnel do not access Customer Data.
b) Mimecast restricts Personnel access to Customer Data on a "need-to-know” basis based on this justification.
c) Each such access and its subsequent operations are logged and monitored.
d) Personnel training covers access rights to and general guidelines on definition and use of Customer Data.
To ensure Customer Data is not read, copied, altered or deleted by unauthorized parties during transfer/storage.
a) Customer access to the Mimecast AT Service portals are protected by the most current version of Transport Layer Security (TLS).
b) The Mimecast AT Service relies on Amazon Cloud controls for the destruction of media. An outline of these controls can be found at: https://aws.amazon.com/compliance/data-center/controls/
To ensure Customer Data remains confidential throughout processing and remains intact, complete and current during processing activities.
a) Mimecast has a formal background check process and carries out background checks on all new Personnel.
b) Mimecast trains its engineering Personnel in application security practices and secure coding practices.
c) Mimecast has a central, secured repository of product source code, which is accessible only to authorized Personnel.
d) Mimecast has a formal application security program and employs a robust Secure Development Lifecycle (SDL).
e) Security testing includes code review, penetration testing, and employing static code analysis tools on a periodic basis to identify flaws.
f) All changes to software on the Mimecast AT Service are via a controlled, approved release mechanism within a formal change control program.
To ensure Customer Data is protected from accidental destruction or loss, and there is timely access, restoration or availability to Customer Data in the event of a Mimecast AT Service incident.
a) The Mimecast AT Service is housed in Amazon’s US East Region across multi-availability zones.
a) Mimecast maintains a robust Business Continuity/Disaster Recovery program including
To ensure each Customer’s Data is processed separately.
a) Mimecast uses logical separation within its multi-tenant architecture to enforce data segregation between customers.
b) In each step of the processing, Customer Data received from different Customers is assigned a unique identifier so data is always physically or logically separated.
In the event of any security breach of Customer Data, the effect of the breach is minimized and the Customer is promptly informed.
a) Mimecast maintains an up-to-date incident response plan that includes responsibilities, how information security events are assessed and classified as incidents and response plans and procedures.
b) Mimecast regularly tests its incident response plan with “table-top” exercises and learns from tests and potential incidents to improve the plan.
c) In the event of a security breach, Mimecast will notify Customers without undue delay after becoming aware of the security breach
To ensure Mimecast regularly tests, assesses and evaluates the effectiveness of the technical and organizational measures outlined above.
a) Mimecast conducts regular internal and external audits of its security practices.
b) Mimecast ensures that Personnel are aware of and comply with the technical and organizational measures set forth in this document.
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