Heat 1 teaspoon oil in a skillet or wok over medium-high heat. Stir fry the eggs for 30 seconds and remove to a plate.
Place the additional teaspoon oil in the skillet. Toss in the brown rice, beans, corn, salsa and cumin. Cook, stirringly continuously, until heated through, about 2 minutes.
Stir in the eggs and cheese to warm through and combine.