Remove husks from corn, and bring a large pot of water to a boil.
Place corn in the water, and boil for 3 minutes. Remove corn to a colander and rinse with cold water.
In a small bowl, whisk the oil, vinegar, lime juice, salt, pepper and garlic.
Cut the corn from the cob and place in a large bowl. Add the tomato, cucumber, red onion, cilantro and feta. Gently stir to combine. Pour the wet mixture over the fresh corn salad recipe ingredients and gently toss to combine.