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Microsoft Windows Server 2019 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Windows Server 2019 local administrator accounts must have their privileged token filtered to prevent elevated privileges from being used over the network on domain-joined member servers.

    A compromised local administrator account can provide means for an attacker to move laterally between domain systems. With User Account Control enabled, filtering the privileged token for local ad...
    Rule Medium Severity
  • Windows Server 2019 UIAccess applications must not be allowed to prompt for elevation without using the secure desktop.

    User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting prevents User Interface Accessibility...
    Rule Medium Severity
  • Windows Server 2019 User Account Control must, at a minimum, prompt administrators for consent on the secure desktop.

    User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation requirements...
    Rule Medium Severity
  • Windows Server 2019 User Account Control must be configured to detect application installations and prompt for elevation.

    User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting requires Windows to respond to applic...
    Rule Medium Severity
  • Windows Server 2019 User Account Control (UAC) must only elevate UIAccess applications that are installed in secure locations.

    UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures Windows to only allow applications installed in a...
    Rule Medium Severity
  • Windows Server 2019 Remote Desktop Services must prevent drive redirection.

    Preventing users from sharing the local drives on their client computers with Remote Session Hosts that they access helps reduce possible exposure of sensitive data.
    Rule Medium Severity
  • Windows Server 2019 data files owned by users must be on a different logical partition from the directory server data files.

    When directory service data files, especially for directories used for identification, authentication, or authorization, reside on the same logical partition as user-owned files, the directory serv...
    Rule Medium Severity
  • Windows Server 2019 must not allow anonymous enumeration of shares.

    Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system.
    Rule High Severity
  • Windows Server 2019 directory service must be configured to terminate LDAP-based network connections to the directory server after five minutes of inactivity.

    The failure to terminate inactive network connections increases the risk of a successful attack on the directory server. The longer an established session is in progress, the more time an attacker ...
    Rule Low Severity
  • Windows Server 2019 must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously, where Endpoint Security Solution (ESS) is used; 30 days, for any additional internal network scans not covered by ESS; and annually, for external scans by Computer Network Defense Service Provider (CNDSP).

    Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating system or other system components may remain vulnerable to the exploits prese...
    Rule Medium Severity

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