雅思阅读练习：Hackers target the home front_雅思英语阅读

雅思阅读练习：Hackers target the home front

　　8. 答案：techniques （见第9段最后1句： said at the beginning of the year that criminals have been evolving more sophisticated techniques to attack corporate networks. ）

　　9. 答案：two years （见第10段第1、2句：According to Mark Sunner, chief technology officer of Messagelabs, the number of malicious emails targeted at individuals has been increasing. Two years ago they were being seen once every two months, but now they are seeing one or two a day.）

　　10．答案：（an） antivirus system （见第11段： The hackers are now aiming to take over computers, particularly those of home users. Some of the malicious software that we are routinely seeing for that purpose will have its own antivirus system built into it so that they can kill off the programs of their competitors. ）

　　11. 答案：weakness （见第12段最后1句： Home working is where they perceive a weakness. ）

　　12. 答案：vigilance and security （见第13段：This points to a need for increased vigilance and security by those working from home and by those responsible for letting them work from home. For home working to be effective, security needs to be as effective as if working in an office.）