A building is ablaze following rocket attacks from the Gaza Strip, in Tel Aviv, Israel October 7. Israel’s intelligence services have a reputation as some of the world’s most sophisticated. And the Gaza Strip, a slice of land next to Egypt, is one of the most surveilled places on the planet. Underground — LiterallyIf taking its communications dark helped Hamas circumvent eavesdropping, then going underground — literally — may have helped thwart Israel’s surveillance satellites. Throughout the 2014 Gaza war against Hamas, the IDF struck “hundreds of terrorists who were caught firing rockets at Israel.