节目组: The World Says 世界说 节目名称: information securityS: Hey guys welcome to the world says from the Voice Of Era foreign languages radio station, I'm SherlockI: This is Iris. Welcome to listen to our program! I: Well, Sherlock, we all rely on computers in our everyday lives. From buying travel tickets in the morning to researching homework at night, our lives would be a lot more difficult without them. So what happens when you can't use them?S: OMG! I can't imagine that! If I cannot use my computer, almost everything can't be completed, for example, our today's show.I: You seem to have missed something.S: Keke~ you know, I'm not always play computer games. Just sometimes, and I can sure you, for me, work is still more important than the game. Let's go back to today's topic. I：Well, Sherlock, today the topic that we bring to everyone is information security.S: maybe you still don't know what we say. That's no matter; you only need to listen to us.I: OK, I think you know this news: Since May 12, a computer virus named WannaCry has infected more than 300,000 computers in over 150 countries.S: Of course I know. Come on; when I heard this news I was so scared! I am very afraid of my data is encrypted, and then never can't be decrypted.I：Yes, It actually scared me too. Because Once the virus gets into the computer, it locks all the documents and asks for money from the user to unlock them. At first, it asks for $300 (2,068 yuan), but if the user doesn't send the money in 72 hours, the price doubles. Documents are locked forever if the user doesn't pay in seven days.S: Yes that's it. I used to think that the hackers are a cool job, but now I really hate hackers. Because they only brought destruction and chaos to this society.I: Yes, those hackers use the network to spread the virus, destructive power amazing. And WannaCry is spread by taking advantage of a weakness in Microsoft's Windows operating system. It can quickly infect an entire network, locking hundreds of computers within minutes.S: In the UK, the virus left the country's National Health Service in chaos. Some hospitals had to cancel outpatient appointments and tell people to avoid emergency departments unless necessary. Doctors even warned that the cyber-attack could cost lives. You know, they actually invaded the hospital network, It makes me simply can't tolerate.I: but don't worry Sherlock. If you weren't affected, there's no need to panic. Unaffected users can install (安装) a software update released by Microsoft to fix the weakness.S: That's it! There really is no full defense against these kinds of viruses, as this cat and mouse game will continue forever. The best option for most users is to take care online and always install software updates.I: Similarly, for network information security issues, the password is often a headache.S: Oh? Really? I didn't feel it.I: Let me hazard a wild guess: the system of passwords you use on the internet – for accessing online banking, email, shopping sites, Twitter and Facebook accounts – is a mess.I: And things are getting worse: these days, you find yourself forced to choose passwords with both upper- and lower-case letters(大小写), and what normal human being can remember multiple combinations of those? S:Let's hear the Lorrie Faith Cranor, who studied thousands of real passwords to figure out the surprising.I: Last month, an analysis of leaked pin numbers revealed that about one in 10 of us uses "1234"; and thousands of users' passwords were either "password", "welcome", "123456" or "ninja". People always choose terrible passwords S: In fact, we have to understand that is Password hacking takes many different forms.I:Yes, and this is where the length of your password makes an almost unbelievable difference. For a hacker with the computing power to make 1,000 guesses per second, such as "FPQZY", would take three and three-quarter hours to crack. Increase the number of letters to 20, though, and the cracking time increases, just a little bit: It is 6.5 thousand trillion centuries.S: so, maybe I think I have got a clever system for coming up with passwords; the chances are that hackers are already familiar with it. Too dangerous!I: Don’t worry too much Sherlock, One day, we may not have to worry about any of this: there are development that might replace passwords entirely. Touchscreens(触屏) could be configured to detect subtle aspects of your interactions with your computer.S：Maybe just like the distances between my fingers, the speeds at which my tap and scroll.I: OK, we are running out of time.S：Yes, and I think I shall change my password now! Because I have use the password like 123456 for ten years! I: You better harry! That's all for today's listening. Goodbye. S: 感谢所有收听节目的小伙伴，祝大家考试顺利.I: 如果你喜欢我们的节目，请关注VOE外语广播电台的微信公众号V.O.E radio和VOE外语广播电台的新浪微博，那里有我们往期的作品。感谢制作苏鑫!bye 监制：周宸聿编辑：张燚铭 余若天播音：张燚铭 余若天制作：苏鑫