[!lemma=overwatch] [word=security] □
[!lemma=overwatch] [word=security] [□]
[!lemma=overwatch] [word=security] (□ | □)
Benefits could range from preventing wall hangings from falling on the elderly in the event of an earthquake to improved security for public and private schools by the implementation of special cameras . Among its members are cabinet ministers , senior legislators , appointed officials , leading business people , economists , demographers , scientists , and experts in retirement , medicine , finance , and national security from three continents . But by adding photographs into the mix , Image Data has crossed into new territory , raising on the one hand the possibility of improved security for consumers and retailers and , on the other , new questions about personal privacy . People around the world began to recognize the value of moving toward a day when we can rely for our security on defensive instead of offensive weapons . We describe a very simple technique that leverages the properties of certain identity-based encryption schemes to obtain chosen ciphertext security in the standard model , without resorting to external primitives such as signatures or authentication codes . The Israeli Prime Minister , Mr. Olmert , had pledged to carry these unilateral policies further into the West Bank promising voters that Israel could win security through unilateral withdrawals , tough military means , and the enclosing of the Palestinians behind fences and walls .