Bring an Anolon Advanced Bronze 2 Qt. Straining Saucepan of salted water to a boil.
Add the orzo and cook according to package directions; drain.
Meanwhile, combine the shallots, lemon juice, lemon zest, capers, mustard, salt and pepper in a small bowl. Slowly whisk in the oil until combined.
Add the corn, bell pepper, cucumbers and shallot mixture to the saucepan with the drained orzo and stir to combine. Gently stir in the feta cheese, tomatoes and basil. Serve warm or at room temperature.