What does SSO stand for?

What does SSO mean?

SSO	Single Sign On Computing » Security
SSO	Sanitary Sewer Overflow Community
SSO	System Security Officer Governmental » US Government
SSO	System Security Officer Governmental » Transportation
SSO	System Security Officer Business » Positions
SSO	System Security Officer Governmental » NASA
SSO	System Security Officer Governmental » Military
SSO	System Security Officer Business » General
SSO	Südsüdost International » German
SSO	Student Services Office Academic & Science » Universities
SSO	School Services Officer Business » Positions
SSO	Special Security Office Governmental » Military
SSO	Springfield Symphony Orchestra Community » Music
SSO	Simultaneously Switching Outputs Miscellaneous » Unclassified
SSO	Secondary Significant Other Internet » Chat
SSO	School Service Officer Business » Positions
SSO	System Staff Officer Governmental » Military
SSO	Signal Security Office Governmental » Military
SSO	School Support Officer Miscellaneous » Unclassified
SSO	Superior Soap Opera Miscellaneous » Unclassified
SSO	Senior Support Officer Business » Positions
SSO	Struck Submerged Object Academic & Science » Ocean Science
SSO	Source Selecting Official Academic & Science » Ocean Science
SSO	Student State Officer Academic & Science » Universities
SSO	Sortof Significant Other Internet » Chat