Viviane Reding, commissioner for justice and fundamental rights, told the EUobserver that the alert shouldn't lead to any changes in the way EU governments handle terror threats.
"We don't have to do anything new, we can continue in the way we have proceeded until now," Reding said Tuesday.
She made the comments during a roundtable discussion organized by the Konrad Adenauer Foundation, a German think tank.
EU interior ministers are set to meet in Luxembourg Thursday with the deputy secretary for U.S. homeland security who is expected to provide more details about the latest terror warning.
2014: The Year in Fashion [PHOTOS]
Cyclist struck and dragged underneath car