首页
登录
职称英语
They may be just passing your office, computer bag slung over one shoulder.
They may be just passing your office, computer bag slung over one shoulder.
游客
2024-10-04
30
管理
问题
They may be just passing your office, computer bag slung over one shoulder. Or they may be sitting in a car outside it, casually tapping away at a laptop. They look like innocent passers-by. In fact, they are stealing your corporate secrets.
Drive-by hacking is the trendy term given to the practice of breaking into wireless computer networks from outside the buildings that house them. A recent study in the UK, sponsored by RSA Data Security, found that two-thirds of organizations with wireless networks were risking their data in this way. Security experts patrolled several streets in the City of London seeking evidence of wireless networks in operation.
Of 124 that they identified, 83 were sending data without encrypting them. Such data could readily be picked up by a passer-by armed only with a portable computer, a wireless modem and a few pieces of software that can be freely downloaded from the Internet.
The data could include sensitive company documents containing valuable information. Or they could be e-mail identities and passwords that could be used by hackers to log into corporate networks as if they were legitimate users.
Most companies using wireless networking technology do not take even the simplest of precautions to protect their data. Nearly all wireless network technology comes with some basic security features that need only to be activated in order to give a minimum level of security, for example, by encrypting the data being passed over the network.
Raymond Kruck, business development manager at Check Point Software, a security technology specialist, believes this could be partly a psychological problem. People see the solid walls of their building as bulwarks and forget that wireless networks can extend up to 200 meters beyond physical walls.
Companies without any security at all on their wireless networks make it risibly easy for hackers to break in. Switching on the security that comes with the network technology should be automatic. Then there are other basic steps a company can take, says Mr. Kruck, such as changing the passwords on the network from the default setting.
Companies can also install firewalls, which form a barrier between the internal network and the public Internet. They should also check their computer records regularly to spot any abnormal activity, which might betray the presence of a hacker. [br] Without firewalls, companies using wireless networks
选项
A、cannot operate normally.
B、should turn to passwords.
C、will be easily attacked by hackers.
D、can still spot the activities of hackers.
答案
D
解析
最后一段的两句话分别介绍了两种加强网络安全的方法,且两种方法没有必然的关联,因此,即使没有用首句提到的firewalls,还可以按第2句介绍的检查电脑记录的方法来发现黑客的入侵活动,由此可见,本题应选D。
转载请注明原文地址:https://tihaiku.com/zcyy/3786327.html
相关试题推荐
Computerpeopletalkalotabouttheneedforotherpeopletobecome"comput
Computerpeopletalkalotabouttheneedforotherpeopletobecome"comput
Becauseofcomputersandcabletelevision,themembersoftheaudiencewill
Becauseofcomputersandcabletelevision,themembersoftheaudiencewill
Theymaybejustpassingyouroffice,computerbagslungoveroneshoulder.
Theymaybejustpassingyouroffice,computerbagslungoveroneshoulder.
Theymaybejustpassingyouroffice,computerbagslungoveroneshoulder.
Nowthatit’ssummer,thegenerationgapintheofficeisasobviousasthe
Nowthatit’ssummer,thegenerationgapintheofficeisasobviousasthe
Inthefirsttest,eachsubjectsatbeforeacomputerscreenandpressedake
随机试题
Poortransportfacilitiesandthelackofresources,rawmaterialsandenergyal
我国进入全面建设小康社会、加快推进社会主义现代化的新的发展阶段。必须按照中国特色
Thedoghasalwaysbeenconsideredman′s
某挡水建筑物基坑开挖工程,合同工期180d。由于地下水较为丰富,为保证正常的施工
下列关于需求理论的说法中,正确的是( )。A.商品的需求量与其互补品价格呈同方向
二陈汤的组成药物中不包括A.半夏B.白术C.陈皮D.茯苓E.甘草
患者女,75岁。近日夜间出现行为紊乱,伴有幻听、幻视,表情恐惧、紧张,言语令人费
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
下列哪种抗生素可能引起二重感染、再生障碍性贫血和灰婴综合征A、两性霉素 B、制
最新回复
(
0
)