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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Anonymous enumeration of shares must be restricted.

    &lt;VulnDiscussion&gt;Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can pr...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to prevent anonymous users from having the same rights as the Everyone group.

    &lt;VulnDiscussion&gt;Access by anonymous users must be restricted. If this setting is enabled, then anonymous users have the same rights and permi...
    Rule Medium Severity
  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • Anonymous access to Named Pipes and Shares must be restricted.

    &lt;VulnDiscussion&gt;Allowing anonymous access to named pipes or shares provides the potential for unauthorized system access. This setting restri...
    Rule High Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • Remote calls to the Security Account Manager (SAM) must be restricted to Administrators.

    &lt;VulnDiscussion&gt;The Windows Security Account Manager (SAM) stores users' passwords. Restricting remote rpc connections to the SAM to Administ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • NTLM must be prevented from falling back to a Null session.

    &lt;VulnDiscussion&gt;NTLM sessions that are allowed to fall back to Null (unauthenticated) sessions may gain unauthorized access.&lt;/VulnDiscussi...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • PKU2U authentication using online identities must be prevented.

    &lt;VulnDiscussion&gt;PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joine...
    Rule Medium Severity
  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
    Group
  • Kerberos encryption types must be configured to prevent the use of DES and RC4 encryption suites.

    &lt;VulnDiscussion&gt;Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for Kerberos, pre...
    Rule Medium Severity
  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to prevent the storage of the LAN Manager hash of passwords.

    &lt;VulnDiscussion&gt;The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve ac...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The LanMan authentication level must be set to send NTLMv2 response only, and to refuse LM and NTLM.

    &lt;VulnDiscussion&gt;The Kerberos v5 authentication protocol is the default for authentication of users who are logging on to domain accounts. NTL...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to the required LDAP client signing level.

    &lt;VulnDiscussion&gt;This setting controls the signing requirements for LDAP clients. This setting must be set to Negotiate signing or Require sig...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to meet the minimum session security requirement for NTLM SSP based clients.

    &lt;VulnDiscussion&gt;Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabl...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to meet the minimum session security requirement for NTLM SSP based servers.

    &lt;VulnDiscussion&gt;Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabl...
    Rule Medium Severity
  • SRG-OS-000478-GPOS-00223

    <GroupDescription></GroupDescription>
    Group
  • The system must be configured to use FIPS-compliant algorithms for encryption, hashing, and signing.

    &lt;VulnDiscussion&gt;This setting ensures that the system uses algorithms that are FIPS-compliant for encryption, hashing, and signing. FIPS-compl...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The default permissions of global system objects must be increased.

    &lt;VulnDiscussion&gt;Windows systems maintain a global list of shared system resources such as DOS device names, mutexes, and semaphores. Each typ...
    Rule Low Severity
  • SRG-OS-000373-GPOS-00157

    <GroupDescription></GroupDescription>
    Group
  • User Account Control approval mode for the built-in Administrator must be enabled.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must prompt administrators for consent on the secure desktop.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000105-GPOS-00052

    <GroupDescription></GroupDescription>
    Group
  • Windows 11 must use multifactor authentication for local and network access to privileged and nonprivileged accounts.

    &lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged and nonprivileged functions is greatly increa...
    Rule Medium Severity
  • SRG-OS-000373-GPOS-00157

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must automatically deny elevation requests for standard users.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must be configured to detect application installations and prompt for elevation.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must only elevate UIAccess applications that are installed in secure locations.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000373-GPOS-00157

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must run all administrators in Admin Approval Mode, enabling UAC.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
    Group
  • User Account Control must virtualize file and registry write failures to per-user locations.

    &lt;VulnDiscussion&gt;User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative account...
    Rule Medium Severity
  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
  • Passwords for enabled local Administrator accounts must be changed at least every 60 days.

    &lt;VulnDiscussion&gt;The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the password. A lo...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • Toast notifications to the lock screen must be turned off.

    &lt;VulnDiscussion&gt;Toast notifications that are displayed on the lock screen could display sensitive information to unauthorized personnel. Turn...
    Rule Low Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Zone information must be preserved when saving attachments.

    &lt;VulnDiscussion&gt;Preserving zone of origin (internet, intranet, local, restricted) information on file attachments allows Windows to determine...
    Rule Medium Severity

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