After these things the word of the Lord came to Abram in a vision: “Fear not, Abram, I am your shield; your reward shall be very great.” - Genesis 15:1
The Lord is a shield to those who walk in integrity. (Proverbs 2:7)
David took the shields of gold that were carried by the servants of Hadadezer and brought them to Jerusalem. (2 Samuel 8:7)