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将于下个月召开的平昌冬奥会已经成为了黑客组织的目标。有迹象表明，这场来势汹汹的网络攻击很可能与朝鲜有关。朝韩板门店会谈在即，平昌冬奥会将会成为这次会谈的核心话题。这一届冬奥会能逃过一劫吗？
测试中可能遇到的词汇和知识：
hallmark ['hɔːlmɑːk] n. 特征，特点
détente [deɪ'tɑːnt] n. 缓和，缓和期间
generic [dʒə'nerɪk] adj. 一般的，普通的
myriad ['mɪriəd] adj. 无数的
wreak [riːk] vt. 发泄；报仇
havoc ['hævək] n. 大破坏，混乱
阅读马上开始，建议您计算一下阅读整篇文章所用的时间，对照下方的参考值就可以评估出您的英文阅读水平。
Hackers have targeted an attack at organisations involved in the Winter Olympics next month and tried to access sensitive information about the upcoming games in South Korea, according to a report by a cyber security company.
McAfee discovered a hacking campaign that ran from December 22 that it believes has the hallmarks of “a nation state adversary that speaks Korean”. But the company would not attribute the attack, as it is continuing its investigation.
The report comes as North Korea agreed to hold high-level talks with South Korea as part of an emerging detente. The talks next week will be the first between the two nations for two years and will focus on the North's potential participation in the Winter Olympics in Pyeongchang.
Targets from ice hockey teams to ski suppliers were sent an email purporting to be from South Korea's national counter-terrorism council. It contained a malicious document that if enabled would create a hidden back channel inside their computer for hackers to exploit.
Ryan Sherstobitoff, a senior analyst at McAfee, said the hackers cast a wide net, including emailing generic addresses such as those beginning “info@” and it appeared that at least one of the recipients was infected by the malicious document. Once inside the network, a hacker may be able to gather more information.
“Theoretically, if they get into the network hosting the Pyeongchang email network for the Olympics, they have any number of possibilities moving inside. It depends where the networks are connected — to specific teams, committees, planners at a high level,” he said.
Mr Sherstobitoff warned the Olympics may suffer from more cyber attacks, as major events attract hackers from nation states and cyber criminals.
The Berkeley Center for Long Term Cyber Security issued a report last year on the myriad ways hackers could try to undermine future Olympic Games, including adjusting automatic scoring, interfering with the care of athletes and disrupting events.
The US blamed North Korea for last year's WannaCry cyber attack that wreaked havoc across organisations worldwide including the UK National Health Service and delivery company FedEx. The country's hackers were also accused of being behind the destructive attack on Sony Pictures in 2014, as the studio prepared to release The Interview, a movie that mocked the North Korean leader.
McAfee said the hackers used a more sophisticated method than your average spearphishing attack, installing malicious software without making the victim download a file which would often be flagged to a security programme.
These fileless malware attacks using Microsoft Powershell are becoming an increasingly popular tactic, with the number of attacks more than doubling in the third quarter of last year, McAfee said.
请根据你所读到的文章内容，完成以下自测题目：
A.A criminal investigation against cyber attack.
B.South Korea's counter-terrorism council.
C. A computer security software company.
D.National Cybersecurity Institute of the US.
答案 (1)
A.They sent malicious document to their targets by emails.
B.They sent malware to counter-terrorism council by emails.
C.They created a fake web page of counter-terrorism council.
D.They created a hidden back channel inside their emails.
答案 (2)
A.WannaCry cyber attack.
B.The Sony Pictures hack.
C.Attack on Olympics email network.
D.2017 Petya cyberattack.
答案 (3)
A.are commissioned by South Korean government.
B.used a entirely new method to attack its targets.
C.are more imperceptible than average attackers.
D.have agreed to negotiate with olympic committee.
答案 (4)
(1) 答案：C.A computer security software company.解释：McAfee是一家网络安全公司。
(2) 答案：A.They sent malicious document to their targets by emails.解释：他们的目标包括冰球队到滑雪用具供应商等。他们以韩国国家反恐委员会的身份给目标发邮件，邮件中包含恶意文件。
(3) 答案：D.2017 Petya cyberattack.解释：McAfee认为针对平昌冬奥会电子邮件网络的袭击带有“一个说韩语的对手国家”的特点；美国指责朝鲜应为去年的WannaCry网络攻击负责。2014年，朝鲜黑客被指责攻击索尼电影。
(4) 答案：C.are more imperceptible than average attackers.解释：McAfee说，黑客使用的方法比一般的网络钓鱼攻击更复杂，他们的恶意软件无需通过下载文件来安装，通常会被标记为安全程序。