Microsoft Windows 10 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Only accounts responsible for the administration of a system must have Administrator rights on the system.
<VulnDiscussion>An account that does not have Administrator duties must not have Administrator rights. Such rights would allow the account t...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Only accounts responsible for the backup operations must be members of the Backup Operators group.
<VulnDiscussion>Backup Operators are able to read and write to any file in the system, regardless of the rights assigned to it. Backup and r...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
Only authorized user accounts must be allowed to create or run virtual machines on Windows 10 systems.
<VulnDiscussion>Allowing other operating systems to run on a secure system may allow users to circumvent security. For Hyper-V, preventing un...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Standard local user accounts must not exist on a system in a domain.
<VulnDiscussion>To minimize potential points of attack, local user accounts, other than built-in accounts and local administrator accounts, m...Rule Low Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
Accounts must be configured to require password expiration.
<VulnDiscussion>Passwords that do not expire increase exposure with a greater probability of being discovered or cracked.</VulnDiscussion&...Rule Medium Severity -
SRG-OS-000312-GPOS-00122
<GroupDescription></GroupDescription>Group -
Permissions for system files and directories must conform to minimum requirements.
<VulnDiscussion>Changing the system's file and directory permissions allows the possibility of unauthorized and anonymous modification to the...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
SRG-OS-000096-GPOS-00050
<GroupDescription></GroupDescription>Group -
Inbound exceptions to the firewall on Windows 10 domain workstations must only allow authorized remote management hosts.
<VulnDiscussion>Allowing inbound access to domain workstations from other systems may allow lateral movement across systems if credentials ar...Rule Medium Severity -
SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
The Server Message Block (SMB) v1 protocol must be disabled on the system.
<VulnDiscussion>SMBv1 is a legacy protocol that uses the MD5 algorithm as part of SMB. MD5 is known to be vulnerable to a number of attacks s...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
The Server Message Block (SMB) v1 protocol must be disabled on the SMB server.
<VulnDiscussion>SMBv1 is a legacy protocol that uses the MD5 algorithm as part of SMB. MD5 is known to be vulnerable to a number of attacks s...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
The Server Message Block (SMB) v1 protocol must be disabled on the SMB client.
<VulnDiscussion>SMBv1 is a legacy protocol that uses the MD5 algorithm as part of SMB. MD5 is known to be vulnerable to a number of attacks s...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
The Secondary Logon service must be disabled on Windows 10.
<VulnDiscussion>The Secondary Logon service provides a means for entering alternate credentials, typically used to run commands with elevated...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Orphaned security identifiers (SIDs) must be removed from user rights on Windows 10.
<VulnDiscussion>Accounts or groups given rights on a system may show up as unresolved SIDs for various reasons including deletion of the acco...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
Bluetooth must be turned off unless approved by the organization.
<VulnDiscussion>If not configured properly, Bluetooth may allow rogue devices to communicate with a system. If a rogue device is paired with ...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
Administrative accounts must not be used with applications that access the Internet, such as web browsers, or with potential Internet sources, such as email.
<VulnDiscussion>Using applications that access the Internet or have potential Internet sources using administrative privileges exposes a syst...Rule High Severity -
SRG-OS-000185-GPOS-00079
<GroupDescription></GroupDescription>Group -
Windows 10 nonpersistent VM sessions must not exceed 24 hours.
<VulnDiscussion>For virtual desktop implementations (VDIs) where the virtual desktop instance is deleted or refreshed upon logoff, the organi...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
Windows 10 account lockout duration must be configured to 15 minutes or greater.
<VulnDiscussion>The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies th...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The number of allowed bad logon attempts must be configured to 3 or less.
<VulnDiscussion>The account lockout feature, when enabled, prevents brute-force password attacks on the system. The higher this value is, th...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The period of time before the bad logon counter is reset must be configured to 15 minutes.
<VulnDiscussion>The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
<GroupDescription></GroupDescription>Group -
The password history must be configured to 24 passwords remembered.
<VulnDiscussion>A system is more vulnerable to unauthorized access when system users recycle the same password several times without being re...Rule Medium Severity -
The system must be configured to audit Account Logon - Credential Validation failures.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000470-GPOS-00214
<GroupDescription></GroupDescription>Group -
The system must be configured to audit Account Logon - Credential Validation successes.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000004-GPOS-00004
<GroupDescription></GroupDescription>Group -
The system must be configured to audit Account Management - Security Group Management successes.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000004-GPOS-00004
<GroupDescription></GroupDescription>Group -
The system must be configured to audit Account Management - User Account Management failures.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000004-GPOS-00004
<GroupDescription></GroupDescription>Group -
The system must be configured to audit Account Management - User Account Management successes.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000365-GPOS-00152
<GroupDescription></GroupDescription>Group -
The system must be configured to audit Detailed Tracking - PNP Activity successes.
<VulnDiscussion>Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...Rule Medium Severity -
SRG-OS-000365-GPOS-00152
<GroupDescription></GroupDescription>Group
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