Microsoft Outlook 2013 STIG

The Microsoft Outlook 2013 Security Technical Implementation Guide (STIG) is published as a tool to improve the security of Department of Defense (DoD) information systems. Comments or proposed revisions to this document should be sent via e-mail to the following address: [email protected]

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Version / Release: V1R7

Published: 2016-06-06

Updated At: 2018-09-23 04:12:02

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    Vuln Rule Version CCI Severity Title Description Status Finding Details Comments
    SV-33404r2_rule DTOO104 CCI-001170 MEDIUM Disabling of user name and password syntax from being used in URLs must be enforced. The Uniform Resource Locator (URL) standard allows user authentication to be included in URL strings in the form http://username:[email protected] A malicious user might use this URL syntax to create a hyperlink that appears to open a legitimate websi
    SV-53848r1_rule DTOO111 CCI-001695 MEDIUM The Internet Explorer Bind to Object functionality must be enabled. Internet Explorer performs a number of safety checks before initializing an ActiveX control. It will not initialize a control if the kill bit for the control is set in the registry, or if the security settings for the zone in which the control is located
    SV-53850r1_rule DTOO117 CCI-001170 MEDIUM The Saved from URL mark must be selected to enforce Internet zone processing. Typically, when Internet Explorer loads a web page from a Universal Naming Convention (UNC) share that contains a Mark of the Web (MOTW) comment, indicating the page was saved from a site on the Internet, Internet Explorer runs the page in the Internet se
    SV-53853r1_rule DTOO123 CCI-001170 MEDIUM Navigation to URLs embedded in Office products must be blocked. To protect users from attacks, Internet Explorer usually does not attempt to load malformed URLs. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an
    SV-53863r1_rule DTOO129 CCI-001662 MEDIUM Links that invoke instances of Internet Explorer from within an Office product must be blocked. The Pop-up Blocker feature in Internet Explorer can be used to block most unwanted pop-up and pop-under windows from appearing. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example,
    SV-54046r1_rule DTOO272 CCI-000366 MEDIUM Permit download of content from safe zones must be configured. By default, Outlook automatically downloads content from sites that are considered "safe," as defined in the Security tab of the Internet Options dialog box in Internet Explorer. This configuration could allow users to inadvertently download Web beacons t
    SV-53872r1_rule DTOO219 CCI-000366 MEDIUM Access restriction settings for published calendars must be configured. Users can share their calendars with others by publishing them to the Microsoft Office Online Calendar Sharing Services and to a server that supports the World Wide Web Distributed Authoring and Versioning (WebDAV) protocol. Office Online allows users to
    SV-53885r1_rule DTOO224 CCI-000366 MEDIUM Recipients of sent email must be unable to be added to the safe senders list. Users could send email messages to request that they be taken off a mailing list. If the email recipient is then automatically added to the Safe Senders List, future e mail messages from that address will no longer be sent to the users Junk email folder,
    SV-53915r1_rule DTOO234 CCI-001170 MEDIUM ActiveX One-Off forms must be configured. Third-party ActiveX controls are not allowed to run in one-off forms in Outlook. This behavior can be changed so that Safe Controls (Microsoft Forms 2.0 controls and the Outlook Recipient and Body controls) are allowed in one-off forms, or so that all Act
    SV-53993r1_rule DTOO246 CCI-001170 MEDIUM Scripts in One-Off Outlook forms must be disallowed. Malicious code can be included within Outlook forms, and such code could be executed when users open the form. By default, Outlook does not run scripts in forms in which the script and the layout are contained within the message.System AdministratorInfor
    SV-54047r1_rule DTOO273 CCI-000366 MEDIUM IE Trusted Zones assumed trusted must be blocked. Malicious users can send HTML email messages with embedded Web beacons, which are pictures and other content from external servers that can be used to track whether specific recipients open the message. Viewing an email message that contains a Web beacon
    SV-53919r1_rule DTOO236 CCI-001170 MEDIUM The Add-In Trust Level must be configured. Under normal circumstances the installed COM add-ins are applications that have been approved and intentionally deployed by the organization and therefore they should not pose a security threat. However, if malware has infected systems it is possible tha
    SV-53997r1_rule DTOO250 CCI-002460 MEDIUM Object Model Prompt behavior for programmatic address books must be configured. If an untrusted application accesses the address book, the application could gain access to sensitive data and potentially change that data. By default, when an untrusted application attempts to access the address book programmatically, Outlook relies on
    SV-53954r1_rule DTOO241 CCI-001662 MEDIUM Action to demote an EMail Level 1 attachment to Level 2 must be configured. Outlook uses two levels of security to restrict access to files attached to email messages or other items. Files with specific extensions can be categorized as Level 1 (users cannot view the file) or Level 2 (users can open the file after saving it to dis
    SV-54001r1_rule DTOO254 CCI-002460 MEDIUM Object Model Prompt behavior for accessing User Property Formula must be configured. A custom form in Outlook could be used to gain access to sensitive address book data and potentially to change that data. By default, when a user tries to bind an address information field to a combination or formula custom field in a custom form, Outlook
    SV-54000r1_rule DTOO253 CCI-002460 MEDIUM Object Model Prompt behavior for the SaveAs method must be configured. If an untrusted application uses the Save As command to programmatically save an item, the application could add malicious data to a user's inbox, a public folder, or an address book. By default, when an untrusted application attempts to use the Save As c
    SV-53998r1_rule DTOO251 CCI-002460 MEDIUM Object Model Prompt behavior for programmatic access of user address data must be configured. If an untrusted application accesses the recipient fields, the application could gain access to sensitive data and potentially change that data. This could result in mail being sent to the wrong party. By default, when an untrusted application attempts t
    SV-55912r1_rule DTOO252 CCI-002460 MEDIUM Object Model Prompt behavior for Meeting and Task Responses must be configured. If an untrusted application programmatically responds to tasks or meeting requests, that application could impersonate a user response to the tasks or meeting requests with false information. By default, when an untrusted application attempts to respond
    SV-53996r1_rule DTOO249 CCI-002460 MEDIUM Object Model Prompt for programmatic email send behavior must be configured. If an untrusted application programmatically sends email, that application could send mail that includes malicious code, impersonate a user, or launch a denial of service attack by sending a large volume of mail to a user or group of users. By default, w
    SV-54002r2_rule DTOO256 CCI-000366 MEDIUM Trusted add-ins behavior for email must be configured. The Outlook object model includes entry points to access Outlook data, save data to specified locations, and send email messages, all of which can be used by malicious application developers. To help protect these entry points, the Object Model Guard warn
    SV-53923r1_rule DTOO237 CCI-002007 MEDIUM The remember password for internet e-mail accounts must be disabled. As a security precaution, password caching for email Internet protocols such as POP3 or IMAP may lead to password discovery and eventually to data loss. An attacker that is able to access the users' profile may be able to acquire these cached passwords;
    SV-53976r2_rule DTOO243 CCI-001662 MEDIUM The prompt to display level 1 attachments must be disallowed when closing an item. To protect users from viruses and other harmful files, Outlook uses two levels of security, designated Level 1 and Level 2, to restrict access to files attached to email messages or other items. Potentially harmful files can be classified into these two l
    SV-53957r2_rule DTOO242 CCI-001662 MEDIUM The prompt to display level 1 attachments must be disallowed when sending an item. To protect users from viruses and other harmful files, Outlook 2013 uses two levels of security, designated Level 1 and Level 2, to restrict access to files attached to e-mail messages or other items. Outlook completely blocks access to Level 1 files by d
    SV-54056r1_rule DTOO283 CCI-000366 MEDIUM Disabling download full text of articles as HTML must be configured. Many RSS feeds use messages that contain a brief summary of a larger message or an article with a link to the full content. Users can configure Outlook to automatically download the linked content as message attachments for individual RSS feeds. If a feed
    SV-54051r1_rule DTOO277 CCI-000366 MEDIUM Hyperlinks in suspected phishing email messages must be disallowed. Outlook's Junk E-mail Filter evaluates each incoming message for possible spam or phishing content. Suspicious message detection is always turned on. By default, Outlook handles suspicious messages in two ways: * If the Junk E-mail Filter does not consid
    SV-54052r1_rule DTOO279 CCI-001967 MEDIUM RPC encryption between Outlook and Exchange server must be enforced. The remote procedure call (RPC) communication channel between an Outlook client computer and an Exchange server is not encrypted. If a malicious individual is able to eavesdrop on the network traffic between Outlook and the server, they might be able to a
    SV-53874r1_rule DTOO221 CCI-000366 MEDIUM Junk Mail UI must be configured. The Junk E-mail Filter in Outlook is designed to intercept the most obvious junk email, or spam, and send it to users' Junk E-mail folders. The filter evaluates each incoming message based on several factors, including the time when the message was sent a
    SV-54048r1_rule DTOO274 CCI-000366 MEDIUM Internet with Safe Zones for Picture Download must be disabled. Malicious email senders can send HTML email messages with embedded Web beacons, which are pictures and other content from external servers that can be used to track whether recipients open the messages. Viewing email messages that contain Web beacons prov
    SV-54049r1_rule DTOO275 CCI-000366 MEDIUM Intranet with Safe Zones for automatic picture downloads must be configured. Malicious email senders can send HTML email messages with embedded Web beacons, which are pictures and other content from external servers that can be used to track whether recipients open the messages. Viewing email messages with Web beacons in them prov
    SV-53941r1_rule DTOO240 CCI-001662 MEDIUM The ability to display level 1 attachments must be disallowed. To protect users from viruses and other harmful files, Outlook uses two levels of security, designated Level 1 and Level 2, to restrict access to files attached to email messages or other items. Potentially harmful files can be classified into these two l
    SV-54042r3_rule DTOO270 CCI-000366 MEDIUM External content and pictures in HTML email must be displayed. Malicious email senders can send HTML email messages with embedded Web beacons, which are pictures and other content from external servers that can be used to track whether specific recipients open the message. Viewing an email message that contains a Web
    SV-53886r1_rule DTOO227 CCI-002450 MEDIUM The ability to add signatures to email messages must be allowed. Outlook users can create and use signatures in email messages. Users can add signatures to messages manually, and can also configure Outlook to automatically append signatures to new messages, to replies and forwards, or to all three. Signatures typically
    SV-53893r1_rule DTOO230 CCI-000381 MEDIUM Folders in non-default stores, set as folder home pages, must be disallowed. Outlook allows users to designate Web pages as home pages for personal or public folders. When a user clicks on a folder, Outlook displays the home page the user has assigned to it. Although this feature provides the opportunity to create powerful public
    SV-53903r1_rule DTOO233 CCI-001170 MEDIUM Outlook Object Model scripts must be disallowed to run for public folders. In Outlook, folders can be associated with custom forms or folder home pages that include scripts that access the Outlook object model. These scripts can add functionality to the folders and items contained within, but dangerous scripts can pose security
    SV-53899r1_rule DTOO232 CCI-001170 MEDIUM Outlook Object Model scripts must be disallowed to run for shared folders. In Outlook, folders can be associated with custom forms or folder home pages that include scripts that access the Outlook object model. These scripts can add functionality to the folders and items contained within, but dangerous scripts can pose security
    SV-54058r1_rule DTOO285 CCI-000381 MEDIUM Internet calendar integration in Outlook must be disabled. The Internet Calendar feature in Outlook enables users to publish calendars online (using the webcal:// protocol) and subscribe to calendars that others have published. When users subscribe to an Internet calendar, Outlook queries the calendar at regular
    SV-54038r1_rule DTOO269 CCI-000366 MEDIUM Attachments using generated name for secure temporary folders must be configured. The Secure Temporary Files folder is used to store attachments when they are opened in email. By default, Outlook generates a random name for the Secure Temporary Files folder and saves it in the Temporary Internet Files folder. This setting can be used t
    SV-54053r1_rule DTOO280 CCI-001967 MEDIUM Outlook must be configured to force authentication when connecting to an Exchange server. Exchange Server supports the Kerberos authentication protocol and NTLM for authentication. The Kerberos protocol is the more secure authentication method and is supported on Windows 2000 Server and later versions. NTLM authentication is supported in pre-W
    SV-54057r1_rule DTOO284 CCI-001169 MEDIUM Automatic download of Internet Calendar appointment attachments must be disallowed. Files attached to Internet Calendar appointments could contain malicious code that could be used to compromise a computer. By default, Outlook does not download attachments when retrieving Internet Calendar appointments.System AdministratorInformation Ass
    SV-54044r1_rule DTOO271 CCI-000366 MEDIUM Automatic download content for email in Safe Senders list must be disallowed. Malicious email senders can send HTML email messages with embedded Web beacons, or pictures and other content from external servers that can be used to track whether specific recipients have opened a message. Viewing an email message that contains a Web b
    SV-53891r1_rule DTOO229 CCI-000366 MEDIUM Outlook must be enforced as the default email, calendar, and contacts program. Outlook is made the default program for email, contacts, and calendar services when it is installed, although users can designate other programs as the default programs for these services. If another application is used to provide these services and the o
    SV-54004r1_rule DTOO260 CCI-000803 MEDIUM Message formats must be set to use SMime. Email typically travels over open networks and is passed from server to server. Messages are therefore vulnerable to interception, and attackers might read or alter their contents. It is therefore important to have a mechanism for signing messages and pro
    SV-54033r1_rule DTOO268 CCI-000185 MEDIUM 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 issued by the CA can also be trusted. If Outlook cannot fin
    SV-53934r1_rule DTOO239 MEDIUM 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, and Outlook ignores any security-related settings that are c
    SV-53887r1_rule DTOO228 CCI-002418 MEDIUM Plain Text Options for outbound email must be configured. If outgoing mail is formatted in certain ways, for example, if attachments are encoded in UUENCODE format, attackers might manipulate the messages for their own purposes. If UUENCODE formatting is used, an attacker could manipulate the encoded attachment
    SV-53870r1_rule DTOO217 CCI-000366 MEDIUM Publishing to a Web Distributed and Authoring (DAV) server must be prevented. Outlook users can share their calendars with others by publishing them to a server that supports the World Wide Web Distributed Authoring and Versioning (WebDAV) protocol. Unlike the Microsoft Office Online Calendar Sharing Service, which allows users to
    SV-53869r1_rule DTOO216 CCI-000366 MEDIUM 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 level of detail. When an organization has policies that gov
    SV-53929r1_rule DTOO238 CCI-001170 MEDIUM 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.System AdministratorInformation Assurance Officer
    SV-53867r1_rule DTOO214 CCI-000366 MEDIUM 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.System AdministratorInformation Assurance Officer
    SV-53868r1_rule DTOO215 CCI-000366 MEDIUM 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 were received in.System AdministratorInformation Assurance O
    SV-55898r1_rule DTOO244 MEDIUM Level 1 file extensions must be blocked and not removed. Malicious code is often spread through e-mail. Some viruses have the ability to send copies of themselves to other people in the victim's Address Book or Contacts list, and such potentially harmful files can affect the computers of unwary recipients.Syste
    SV-53989r1_rule DTOO245 MEDIUM Level 2 file extensions must be blocked and not removed. Malicious code is often spread through email. Some viruses have the ability to send copies of themselves to other people in the victim's Address Book or Contacts list, and such potentially harmful files can affect the computers of unwary recipients. Outlo
    SV-53871r1_rule DTOO218 CCI-000366 MEDIUM Level of calendar details that a user can publish must be restricted. Outlook users can share their calendars with selected others by publishing them to the Microsoft Office Outlook Calendar Sharing Service. Users can choose from three levels of detail: * Availability only. Authorized visitors will see the user's time marke
    SV-53873r1_rule DTOO220 CCI-000366 MEDIUM 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 Advanced and select Single Upload: Updates will not be up
    SV-54031r1_rule DTOO267 CCI-000185 MEDIUM 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 have been revoked by their controlling certificate authorit
    SV-54005r1_rule DTOO262 CCI-000803 MEDIUM Run in FIPS compliant mode must be enforced. Outlook can run in a mode that complies with Federal Information Processing Standards (FIPS), a set of standards published by the National Institute of Standards and Technology (NIST) for use by non-military United States government agencies and by govern
    SV-54003r1_rule DTOO257 CCI-000803 MEDIUM S/Mime interoperability with external clients for message handling must be configured. In some situations, administrators might wish to use an external program, such as an add-in, to handle S/MIME message decryption. If your organization works with encrypted messages that the decryption functionality in Outlook cannot handle appropriately,
    SV-54029r1_rule DTOO266 CCI-000366 MEDIUM 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 the message and when it was opened. By default, when users
    SV-54050r2_rule DTOO276 CCI-001662 MEDIUM 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 with valid signatures from publishers who are not on users'
    SV-54023r1_rule DTOO264 CCI-000366 MEDIUM 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 are encrypted separately. If users change this functional
    SV-53994r1_rule DTOO247 CCI-002460 MEDIUM 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 Outlook model's programmatic send protections. By default,
    SV-54024r1_rule DTOO265 CCI-000185 MEDIUM Warning about invalid signatures must be enforced. If users open email messages that include invalid digital signatures, Outlook displays a warning dialog box. Users can decide whether they want to be warned about invalid signatures in the future. If users are not notified about invalid signatures, they m
    SV-54054r1_rule DTOO281 CCI-000381 MEDIUM RSS feed synchronization with Common Feed List must be disallowed. The Common Feed list is a hierarchical set of RSS feeds to which clients such as Outlook 2013, the Feeds list in Internet Explorer, and the Feed Headlines Sidebar gadget in Windows Vista can subscribe. If Outlook subscribes to a very large feed list, perf
    SV-53882r1_rule DTOO223 CCI-000366 MEDIUM 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 and cause important information to be lost.System Adminis
    SV-54055r2_rule DTOO282 CCI-000381 MEDIUM 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 users to subscribe to the RSS feed in Outlook will enable th
    SV-53897r1_rule DTOO231 CCI-000381 MEDIUM 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 so-called "ANSI" format). If this setting is Enabled, Outl
    SV-54059r1_rule DTOO286 CCI-000381 MEDIUM 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, which could cause sensitive information to be at risk. B
    SV-53862r1_rule DTOO126 CCI-001662 MEDIUM Add-on Management functionality must be allowed. Internet Explorer add-ons are pieces of code, run in Internet Explorer, to provide additional functionality. Rogue add-ons may contain viruses or other malicious code. Disabling or not configuring this setting could allow malicious code or users to become
    SV-53865r1_rule DTOO209 CCI-001695 MEDIUM 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 zone, making this security zone a prime target for malicio
    SV-53866r1_rule DTOO211 CCI-002460 MEDIUM 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 Microsoft Silverlight-based controls. Disabling or not confi
    SV-53864r1_rule DTOO132 CCI-001169 MEDIUM File Downloads must be configured for proper restrictions. Disabling this setting allows websites to present file download prompts via code without the user specifically initiating the download. User preferences may also allow the download to occur without prompting or interaction with the user. Even if Interne
    SV-53858r1_rule DTOO124 CCI-001695 MEDIUM 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 configuring this setting allows unknown websites to: -Crea
    SV-54060r1_rule DTOO305 MEDIUM Outlook 2013 application must be prevented from loading any custom user interface (UI) code. This policy setting controls whether Office 2013 applications load any custom user interface (UI) code included with a document or template. Office 2013 allows developers to extend the UI with customization code that is included in a document or template
    SV-54061r1_rule DTOO313 CCI-000381 MEDIUM Automatically downloading enclosures on RSS must be disallowed. This policy setting controls Outlook's ability to automatically download enclosures on RSS items.System AdministratorInformation Assurance Officer
    SV-54067r1_rule DTOO344 CCI-000366 MEDIUM Outlook Rich Text options must be set for converting to plain text format. Outlook automatically converts RTF formatted messages that are sent over the Internet to HTML format, so that the message formatting is maintained and attachments are received. This setting controls how Outlook sends Rich Text Format (RTF) messages to Int
    SV-54062r1_rule DTOO314 CCI-000366 MEDIUM Default message format must be set to use Plain Text. Outlook uses HTML as the default email format. HTML format poses a security risk by embedding information into the email itself, which could allow for release of sensitive information. If a user attempted to insert an HTML link into an email message, the
    SV-54063r1_rule DTOO315 CCI-000366 MEDIUM Outlook must be configured not to prompt users to choose security settings if default settings fail. This policy prompts the user to choose security settings if default settings fail, but allowing users to select their own security settings would result in inconsistent enforcement in the organization and the likelihood of nonsecure settings being applied
    SV-54064r1_rule DTOO316 CCI-002450 MEDIUM Outlook minimum encryption key length settings must be set. This setting allows the minimum key length for an encrypted email message to be configured.System AdministratorInformation Assurance Officer
    SV-54065r1_rule DTOO317 CCI-000366 MEDIUM Replies or forwards to signed/encrypted messages must be signed/encrypted. This setting controls whether replies and forwards to signed/encrypted mail should also be signed/encrypted. System AdministratorInformation Assurance Officer
    SV-54066r1_rule DTOO320 CCI-000366 MEDIUM Check e-mail addresses against addresses of certificates being used must be disallowed. This policy setting controls whether Outlook verifies the user's email address with the address associated with the certificate used for signing.System AdministratorInformation Assurance Officer
    SV-54068r1_rule DTOO424 CCI-000366 MEDIUM The use of the weather bar in Outlook must be disabled The Weather Bar in Outlook displays weather conditions and forecast for a geographic location. By default, Outlook uses weather data provided by MSN Weather. The Weather Bar supports third-party weather data web services that follow a defined protocol to
    SV-54069r1_rule DTOO425 CCI-000366 MEDIUM Text in Outlook that represents Internet and network paths must not be automatically turned into hyperlinks. The ability of Outlook to automatically turn text that represents Internet and network paths into hyperlinks would allow users to click on those hyperlinks in email message and access malicious or otherwise harmful websites.System AdministratorInformation