▁ ▁References ▁ ▁Category : 1 9 3 3 ▁birth s ▁Category : L iving ▁people ▁Category : Work ers ' ▁Party ▁of ▁Ireland ▁polit icians ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁A ▁feder ated ▁identity ▁in ▁information ▁technology ▁is ▁the ▁means ▁of ▁linking ▁a ▁person ' s ▁electronic ▁identity ▁and ▁attributes , ▁stored ▁across ▁multiple ▁distinct ▁identity ▁management ▁systems . ▁ ▁Feder ated ▁identity ▁is ▁related ▁to ▁single ▁sign - on ▁( SS O ), ▁in ▁which ▁a ▁user ' s ▁single ▁authentication ▁ticket , ▁or ▁token , ▁is ▁trust ed ▁across ▁multiple ▁IT ▁systems ▁or ▁even ▁organizations . ▁SS O ▁is ▁a ▁subset ▁of ▁feder ated ▁identity ▁management , ▁as ▁it ▁rel ates ▁only ▁to ▁authentication ▁and ▁is ▁understood ▁on ▁the ▁level ▁of ▁technical ▁inter oper ability ▁and ▁it ▁would ▁not ▁be ▁possible ▁without ▁some ▁sort ▁of ▁feder ation . ▁ ▁Management ▁ ▁In ▁information ▁technology ▁( IT ), ▁feder ated ▁identity ▁management ▁( F Id M ) ▁amounts ▁to ▁having ▁a ▁common ▁set ▁of ▁policies , ▁practices ▁and ▁protocol s ▁in ▁place ▁to ▁manage ▁the ▁identity ▁and ▁trust ▁into ▁IT ▁users ▁and ▁devices ▁across ▁organizations . ▁ ▁Single ▁sign - on ▁( SS O ) ▁systems ▁allow ▁a ▁single ▁user ▁authentication ▁process ▁across ▁multiple ▁IT ▁systems ▁or ▁even ▁organizations . ▁SS O ▁is ▁a ▁subset ▁of ▁feder ated ▁identity ▁management , ▁as ▁it ▁rel ates ▁only ▁to ▁authentication ▁and ▁technical ▁inter oper ability . ▁ ▁Central ized ▁identity ▁management ▁solutions ▁were ▁created ▁to