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Microsoft Outlook 2013 STIG

Rules, Groups, and Values defined within the XCCDF Benchmark

  • DTOO268 - Missing Root Certificates

    Group
  • Missing Root Certificates warning must be enforced.

    When Outlook accesses a certificate, it validates that it can trust the certificate by examining the root certificate of the issuing CA. If the root certificate can be trusted, then certificates is...
    Rule Medium Severity
  • DTOO239 - Outlook Security Mode

    Group
  • Outlook Security Mode must be configured to use Group Policy settings.

    If users can configure security themselves, they might choose levels of security that leave their computers vulnerable to attack. By default, Outlook users can configure security for themselves, an...
    Rule Medium Severity
  • DTOO228 - Plain Text Options

    Group
  • DTOO217 - Prevent publishing to DAV Servers

    Group
  • DTOO216 - Publishing to Office Online

    Group
  • Publishing calendars to Office Online must be prevented.

    Outlook users can share their calendars with selected others by publishing them to the Microsoft Office Outlook Calendar Sharing Service. Users can control who can view their calendar and at what l...
    Rule Medium Severity
  • DTOO238 - Prev't users customizing security set

    Group
  • Users customizing attachment security settings must be prevented.

    All installed trusted COM addins can be trusted. Exchange settings for the addins still override if present and this option is selected.
    Rule Medium Severity
  • DTOO214 - Read EMail as plain text

    Group
  • Read EMail as plain text must be enforced.

    Outlook can display email messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays email messages in whatever format they were received in.
    Rule Medium Severity
  • DTOO215 - Read signed EMail as plain text

    Group
  • Read signed email as plain text must be enforced.

    Outlook can display email messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays digitally signed email messages in the format they we...
    Rule Medium Severity
  • DTOO244 - Lvl 1 File extensions

    Group
  • DTOO245 - Lvl 2 File Extensions

    Group
  • DTOO218 - Calendar details published by users

    Group
  • DTOO220 - Upload methods

    Group
  • Upload method for publishing calendars to Office Online must be restricted.

    When users publish their calendar to Microsoft Office Online using the Microsoft Office Outlook Calendar Sharing Service, Outlook updates the calendars online at regular intervals unless they click...
    Rule Medium Severity
  • DTOO267 - Retrieving CRLs - Outlook

    Group
  • Retrieving of CRL data must be set for online action.

    This policy setting controls how Outlook retrieves Certificate Revocation Lists to verify the validity of certificates. Certificate revocation lists (CRLs) are lists of digital certificates that h...
    Rule Medium Severity
  • DTOO262 - FIPS compliant mode

    Group
  • DTOO257 - No S/Mime interop w/ external clients

    Group
  • DTOO266 - S/Mime receipt requests

    Group
  • Automatic sending s/Mime receipt requests must be disallowed.

    Incoming signed or encrypted messages might include S/MIME receipt requests. S/MIME receipts provide confirmation that messages are received unaltered, and can include information about who opened ...
    Rule Medium Severity
  • DTOO276 - Security settings for macros

    Group
  • Always warn on untrusted macros must be enforced.

    To protect users from dangerous code, the Outlook default configuration disables all macros that are not trusted, including unsigned macros, macros with expired or invalid signatures, and macros wi...
    Rule Medium Severity
  • DTOO264 - Clear signed messages

    Group
  • Send all signed messages as clear signed messages must be configured.

    When users sign email messages with their signing certificate and send them, Outlook uses the sender's private key to encrypt the digital signature but sends the messages as clear text, unless they...
    Rule Medium Severity
  • DTOO247 - Custom OOM Action Exe. Prompt

    Group
  • Custom Outlook Object Model (OOM) action execution prompts must be configured.

    Custom actions add functionality to Outlook that can be triggered as part of a rule. Among other possible features, custom actions can be created that reply to messages in ways that circumvent the ...
    Rule Medium Severity
  • DTOO265 - Signature Warnings

    Group
  • DTOO223 - Trust EMail from Contacts

    Group
  • Trust EMail from senders in receivers contact list must be enforced.

    Email addresses in users' Contacts list are treated as safe senders for purposes of filtering junk email. If this configuration is changed, email from users' Contacts might be misclassified as junk...
    Rule Medium Severity
  • DTOO282 - RSS Feeds

    Group
  • RSS Feeds must be disallowed.

    Users can subscribe to RSS feeds from within Outlook and read RSS items like email messages. If an organization has policies that govern the use of external resources such as RSS feeds, allowing us...
    Rule Medium Severity
  • DTOO231 - Unicode use when dragging Email

    Group
  • Dragging Unicode email messages to file system must be disallowed.

    When users drag email messages from Outlook to a Windows Explorer window or to their Desktop, Outlook creates an .msg file using the native character encoding format for the configured locale (the ...
    Rule Medium Severity
  • DTOO286 - Disable User Entries to Server list

    Group
  • User Entries to Server List must be disallowed.

    If users are able to manually enter the addresses of servers that are not approved by the organization, they could use servers that do not meet your organization's information security requirements...
    Rule Medium Severity
  • DTOO126 - Add-on Management

    Group
  • DTOO209 - Zone Elevation Protection

    Group
  • Protection from zone elevation must be enforced.

    Internet Explorer places restrictions on each web page users can use the browser to open. Web pages on a user's local computer have the fewest security restrictions and reside in the Local Machine ...
    Rule Medium Severity
  • DTOO211 - Restrict ActiveX Install

    Group
  • ActiveX installs must be configured for proper restrictions.

    Microsoft ActiveX controls allow unmanaged, unprotected code to run on the user computers. ActiveX controls do not run within a protected container in the browser like the other types of HTML or Mi...
    Rule Medium Severity
  • DTOO132 - Restrict File Download

    Group
  • DTOO124 - Scripted Window Security

    Group
  • Scripted Window Security must be enforced.

    Malicious websites often try to confuse or trick users into giving a site permission to perform an action allowing the site to take control of the users' computers in some manner. Disabling or not ...
    Rule Medium Severity
  • DTOO313 - Automatically download enclosures

    Group
  • DTOO314 - Set message format

    Group

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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