A journalist working for Le Soir Magazine managed to get past security with a knife and 450g of mock explosives at a Belgian airport during a security test, the Belgian weekly announced today. On average, dangerous objects go undetected in 60% of cases. She was one of a party of four accompanying Simon Bretholz, director of security firm Tactical5. The company conducts security tests at the request of airport authorities, but always does so without informing them. The four people who took part in this latest test, which took place at an unnamed airport, tried to smuggle eight weapons past security, only five of which were detected. The reporter from Le Soir Magazine had a knife hidden in her bra and a replica of a 450g block of explosives in a camera bag, which went through security without even being opened. "There is no zero risk with security checks,” says Bretholz, “but you can achieve a maximum level of security," noting that the purpose of these tests is not "to catch security agents." What is crucial in this business, the Tactical5 boss insists, is "to prevent monotony from setting in."