https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.0/html/configuration_guide/datasource_management#datasource_security

batch
/subsystem=security/security-domain=KerberosDatabase:add(cache-type=infinispan)
/subsystem=security/security-domain=KerberosDatabase/authentication=classic:add
/subsystem=security/security-domain=KerberosDatabase/authentication=classic/login-module="KerberosDatabase-Module":add(code="org.jboss.security.negotiation.KerberosLoginModule",module="org.jboss.security.negotiation",flag=required, module-options={ "debug" => "false", "storeKey" => "false", "useKeyTab" => "true", "keyTab" => "/path/to/eap.keytab", "principal" => "PRINCIPAL@SERVER.COM", "doNotPrompt" => "true", "refreshKrb5Config" => "true", "isInitiator" => "true", "addGSSCredential" => "true", "credentialLifetime" => "-1"})
run-batch

As far as I know there is no security subsystem in JBoss 8.0
With cli, using tab
 ./subsystem=security-manager/deployment-permissions=

Guess author, editor was thinking about elytron subsytem

./subsystem=elytron/security-domain=