My shield in Hebrew:
Strong’s Concordance number: 4043
Bible references: 2 Sam. 22:3; Pss. 7:10; 18:2; 28:7; 33:20; 115:9-11; 119:114; 144:2
The Lord is my rock, my fortress and my deliverer;
my God is my rock, in whom I take refuge,
my shield and the horn of my salvation, my stronghold. (Psalm 18:2)
In some verses, the KJV alters the word to “defense” or “buckler” (an old word for a shield).
A variation on this name of God is Shield of your help.