听一分钟英文：Security-安全性

（单词翻译）

We have to think about security¹ more and more today. It seems the world is becoming a more dangerous place. Most of the people I know are worried about home security. They have alarms on their house and some of my friends have a web cam filming their house. Of course, personal security is also very important. In many countries, people have a gun to protect themselves. In other countries, women carry pepper spray². In recent years, Internet security is a big issue. We are constantly warned about it. There are whole industries based on Internet security and lots of software to make your computer more secure³. The most important thing about security online is never put too much personal information on the Web.