請依下文回答第 5 題至第 9 題Hackers around the world are getting better at stealing passwords. A hacker is a person who uses acomputer to gain information without permission. Now, some computer scientists are trying to stophackers 5 passwords.The U.S. Military’s Defense Advanced Research Projects Agency, DARPA, is responsible for thecreation of the Internet. The agency is supporting research projects that will 6 passwords a thing ofthe past. One project is called Active Authentication. Scientists working on the project want to use aperson’s individual qualities to protect electronic devices like wireless phones against hackers. 7 , themovement of a person’s hands when they use a wireless phone can be read by sensors. The phone canremember those signs and observe them. The phone locks when someone 8 the owner tries to use it.Other teams of scientists are trying to teach computers and smart phone show to recognize a person’swriting style. The devices will know the words a person uses, 9 and the kinds of errors they make. Inanother project, the owner of a device says a phrase instead of typing a password. Sensors identify thesound and way that a user says words.DARPA says the projects have had very good results. Some of the largest computer and smart phonemanufacturers have expressed interest in using them in new devices.
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