This isn't about "security." This is about ethnic and religious hatred. The Jewish Zionists hate the Palestinian Arabs for being Arabs (rather than being ethnics typically claiming descendancy from Jacob) and hate authentic Christianity.
In a news release on March 24, Hanan Ashrawi of the Palestinian Liberation Organization (PLO) expressed frustration that some parishes had received only 30% to 40% of the permits they had requested.
“There should not even be a question of needing permits to visit one’s own city,” she said: “East Jerusalem is the occupied capital of the Palestinian people and freedom of worship is a basic human right for all of our Christian and Muslim citizens, a right which is being systematically and increasingly denied by a foreign occupying force.”