The Canaries are short on cover in that position and are eager to add strength in depth to their defence.
Masouras has been in great form this term for the Greek Super League club, starting 12 league and four cup matches and grabbing three goals – all in the cup.
He can also play in midfield and is known for his athleticism around the pitch.
Reports in Greece stated Norwich sent a scout to watch him in AEL’s 1-0 home win over Platanias in late February and last weekend’s 2-1 away defeat to Levadiakos.
Cardiff remain unhappy with Derby's decision to postpone Sunday's Sky Bet Championship game at Pride Park.
Dundee United boss Csaba Laszlo has been left hoping for St Mirren to slip up in the race to seal promotion to the Ladbrokes Premiership.
Crewe will consider starting Chris Dagnall when they host Forest Green on Tuesday.