Cruise ships employ a sophisticated, multi-layered defense strategy to protect passengers and crew from piracy, particularly in high-risk zones like the Gulf of Aden or the waters off West Africa. The first line of defense is intelligence and routing; ships receive real-time updates from maritime security centers and will alter their course to stay hundreds of miles away from known pirate activity. Physically, the ships use "active" non-lethal deterrents such as Long Range Acoustic Devices (LRADs), which emit ear-piercing, directional sound beams to incapacitate attackers, and high-pressure water cannons to prevent small boats from drawing near or boarding. Many ships also install razor wire along lower deck railings and utilize "blackout" protocols at night where external lights are dimmed to make the ship harder to spot. While most cruise lines do not carry regular armed guards to maintain a "vacation" atmosphere, they often hire specialized private maritime security teams to board the ship temporarily during transit through dangerous corridors. These teams are trained in "hardening" the vessel and can use lethal force as a last resort to protect the thousands of lives on board.