South Korea's Defense Ministry is seeking a 55.2 trillion won ($47.7 billion) budget for next year, up 4.5 percent from the previous year and roughly matching neighboring Japan's.

Businesses and governments targeted by cyber attacks, subversion and espionage

Several countries are developing nanoweapons that could unleash attacks using mini-nuclear bombs and insect-like lethal robots.

Hanwha Corporation announced on 31 May that it has secured a contract to develop a laser oscillator for use in future, laser-based short-range air-defence weapon systems designed to primarily engage unmanned aerial vehicles (UAVs).