A deadly suspected Israeli attack causing hundreds of pagers to explode in Lebanon and parts of Syria will force Hezbollah to modify its methods of internal communications and compel it to retaliate, risking the expansion of the conflict along Israel's northern border. On Sept. 17, hundreds of pagers used by operatives of the Lebanese political and militant group Hezbollah exploded across Lebanon and parts of Syria, resulting in at least eight deaths and more than 2,800 injuries thus far in what a Hezbollah official called the group's "biggest security breach" since the start of the Israel-Hamas war in October 2023. The detonations reportedly occurred within the latest model of pagers that Hezbollah obtained in recent months; the group uses low-tech communication devices for security, rather than cell phones that Israeli intelligence agencies can monitor more easily. The pagers were reportedly called seconds before detonation so that individuals would be more...