In the name of Allah, with Whose name nothing can cause harm on earth or in heav — Protection
بِسْمِ اللَّهِ الَّذِي لَا يَضُرُّ مَعَ اسْمِهِ شَيْءٌ فِي الْأَرْضِ وَلَا فِي السَّمَاءِ وَهُوَ السَّمِيعُ الْعَلِيمُ
Transliteration: Bismillaahil-ladhee laa yadurru ma'asmihi shay'un fil-ardi wa laa fis-samaa'i wa huwas-samee'ul-'aleem
Translation: In the name of Allah, with Whose name nothing can cause harm on earth or in heaven, and He is the All-Hearing, All-Knowing. (3 times — nothing will harm you)
Reference: Abu Dawud 4:323, Tirmidhi 5:465