A.They stole e-mail addresses of the Internet users. |
B.They destroyed the websites of some big companies. |
C.They attacked American companies in southern Russia. |
D.They downloaded the secret information of some banks. |
A.some websites don't have their own coding |
B.most of the websites lack protective measures |
C.Russia is more developed in computer science |
D.the hackers are equipped with high technology |
A.The criminals are fond of using social networks. |
B.The criminals sell the stolen information for money. |
C.The stolen information causes great economic losses. |
D.The stolen information could bring harmful effects. |
A.We cannot tell how large an iceberg is just from the part on the water. |
B.Many companies are unwilling to report their information stolen. |
C.Many companies are not aware their information has been stolen. |
D.People usually can see just a small part of an iceberg. |