‘Abd Allaah bin ‘Umar said “The Apostle of Allaah ﷺ prohibited to travel with a copy of the Qur’an to the enemy territory. The narrator Malik said “(It is) I think lest the enemy should take it. (Using translation from Abū Dāʾūd 2610)   

«كَانَ النَّبِيُّ ﷺ يَنْهَى أَنْ يُسَافَرَ بِالْقُرْآنِ إِلَى أَرْضِ الْعَدُوِّ يَخَافُ أَنْ يَنَالَهُ الْعَدُوُّ»