Contrary to people who want to believe that the ships are armed but the cruise lines don't want to tip their hand to the terrorists, there is in fact no hidden cache of weapons ready to be deployed by the cruise ship's security forces. Cruise ships are flagged in foreign countries like the Bahamas or Panama.

Most major commercial cruise ships (like those from Carnival, Royal Caribbean, and NCL) do not carry a "cache of weapons" or have armed security guards as a standard practice. They are typically flagged in countries like the Bahamas or Panama, which follow International Maritime Organization (IMO) guidelines that generally discourage arming crew members. Instead, cruise security focuses on non-lethal deterrents, such as high-intensity water cannons, acoustic devices (LRADs), and razor wire barriers to prevent boarding in high-risk areas. Security teams are usually composed of former military or police personnel who are trained in hand-to-hand combat and de-escalation rather than firearms. The notable exception is some Italian-flagged ships (like Costa Cruises), which have been known to permit armed security in specific pirate-prone waters. In 2026, the primary "weapon" of a cruise ship is its intelligence and routing; ships use advanced radar and satellite data to entirely avoid areas where security threats are high, preferring to bypass a port rather than risk an armed confrontation.