很好的练习题哦！
Answers Keys:
1．答案：personalised emails/keyloggers （见第1段第2句：For the past year, Royal Bank of Scotland has been fighting systematic attempts to break into its computer systems from hackers who have sent personalised emails containing keyloggers to its senior management.）
2．答案：vulnerable （见第2段： The hackers make the assumption that the computers being used outside the work environment are more vulnerable than those protected by a corporate IT department. ）
3. 答案： flexible working （见第3段: For companies it is a growing threat as home working increases: a recent survey from the Equal Opportunities Commission found that more than 60% of the UK's population wants the option of flexible working.）
4. 答案：trawling (the) internet （见第4段第2句： Each email they send is meticulously built to make it attractive to its target, who the criminals have carefully researched by trawling the internet for information.）
5. 答案： logins and passwords/usernames and passwords （见第5段第第1、2句：The keylogger contained in the email installs itself automatically and then collects details of logins and passwords from the unsuspecting user. This means that hackers can, using the usernames and passwords stolen by the keyloggers, …）
6. 答案： losses （见第7段第2句：In some cases sources claim that the login details of VPNs have been obtained and used though there has been no confirmation that any losses have occurred as a result.）
7. 答案： Trojan email attacks (见第8段最后1句：Trojan email attacks are an industry-wide issue and are not isolated to a particular area or a particular bank.)
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."）
