Mexico City and Brookfield, Wis., Jan. 5, 2017 — Fiserv, Inc. (NASDAQ: FISV), a leading global provider of financial services technology solutions, announced today that Caribbean Integrated Financial Services (CarIFS), Barbados’ national debit network, has upgraded to the latest version of POSHâ„¢ from Fiserv, a robust and flexible switch solution for payment transactions. CarIFS has been operating POSH since 2008 and chose to upgrade to deliver greater functionality and more secure processing services to its connecting members.