Hacking Incidents Surge 300% Annually

A recently released study shows that computer hacking is rapidily increasing across the nation.
According to the study, in 1997, a mere 64 hacker attacks were reported. However, during the
following years, the number of attacks jumped sharply. Over the last four years,the number of reported
hacking incidents has increased almost 300% annually. This year, the number of hacking cases is expected
to be even higher. A police official in the National Cybercrime Center pointed out that a lack of preventive measures
on the part of the system administrators, along with the advanced skills of hackers, contributed to the increas
in the number of attacks.

The article is about ________________________________. It shows how many hacking attacks took place in 1997 and
how that number increased annually. Over the ______________________________ it has icreased ____________________
A police offcial suggests two causes, that is, _____________________ and ________________________.

위에 내용을 학교에서 나누어 주었네요...시험에 나온다던데....

빈칸 뿐 만 아니라, 시험 문제로 나올 가능성 이 있는 부분 좀 미리 설명 부탁합니다...^^