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教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响
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Topic: 教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响 (Read 223 times)
Vistacoin
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教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响
May 16, 2017, 06:08:35 AM
#1
针对网传“中国此次遭受攻击的主要是教育网用户”消息,中国教育和科研计算机网CERNET网络中心15日发布声明称,“教育网并未出现大规模勒索病毒感染,也不是重灾区。”以下为声明内容:
5月12日开始,因Windows漏洞导致的勒索蠕虫病毒在全球爆发。正当我们积极防范和应对这次大规模网络病毒攻击的时候,国内某些安全厂商却出于自己的商业目的,连续发表不实言论和所谓技术报告,或无中生有,捏造事实,或恶意放大该病毒的影响,主要包括“中国此次遭受攻击的主要是教育网用户”,原因是“教育网节点之间对445端口访问控制不够严格,造成病毒在校园网和教育科研网中大量传播,呈现爆发的态势”,“整个教育行业损失非常严重”。并称“大量准毕业生的毕业设计,论文材料被加密,导致无法完成论文答辩”。部分媒体也在没有调查的情况下,引用或转载这些不实言辞,“高校成为重灾区”,“教育网成为重灾区”见诸许多媒体的报道。
这些失实的言论已经严重误导舆论,引起部分高校师生的恐慌,影响了正常的教学和生活秩序。鉴于此,我们严正声明如下:
1、教育网并未出现大规模勒索病毒感染,也不是重灾区。
截止14日中午,根据我们对各高校用户的不完全统计,在近1600个高校用户中,确认感染病毒的高校仅66所,占比4%,仅涉及数百个IP地址。由于连接教育网的各高校校园网大多采用多出口模式,在被病毒感染的66所高校中,通过教育网感染病毒的高校仅有5所,通过其他运营商网络感染病毒的高校39所,无法确定感染病毒途径的高校22所。
经教育网安全应急响应小组CCERT对国际相关权威数据的分析表明,教育网各高校用户感染病毒的比例很低,仅占国内感染病毒总量的1%,未出现大规模勒索病毒感染,更谈不上是重灾区。
2、本次感染勒索病毒的最主要原因是用户Windows系统没有及时升级存在漏洞造成的,而不是由于主干网没有封堵445端口造成的。
按照国际互联网技术规范,互联网TCP端口应为众多互联网应用提供开放的接口能力,除非紧急情况需要,互联网运营商一般不应该、也不会随意封堵主干网TCP端口。即便封堵,一般运营商也不会在主干网,而是由用户(如校园网或企业网)根据自身需要在接入主干网的边缘采取访问控制措施(例如封堵某些TCP端口)。另外,目前用户上网具有非常强的移动性,指望在运营商主干网上封堵某个端口就能保护用户计算机安全,是不现实和不专业的。
事实上,目前确有一些高校使用445端口提供网络信息服务,因此教育网尽管没有在今年4月后封堵主干网445端口,但是一直在密切监测主干网445端口的流量变化情况。一批连接教育网的高校在今年4月发现Windows某些版本漏洞后,是在封堵445等端口的同时迅速组织力量修补Windows某些版本漏洞,确保不被感染。而另一些仅连接运营商主干网的高校由于没有及时修补Windows某些版本漏洞,还是被感染了勒索病毒。
可见,并不是封堵445端口,而是尽快完成各类用户Windows系统软件的升级或修复漏洞才是防范勒索病毒的根本措施。
在此我们要求相关安全厂商本着实事求是的态度,澄清事实并承认错误;希望媒体在报道时,慎重援引厂商言论,加强与报道所涉单位的核实采访工作;呼吁广大社会公众,坚决抵制有意无意制造社会安全恐慌而达到商业目的厂商。我们将保留采取进一步法律手段的权利。
中国教育和科研计算机网CERNET网络中心
2017年05月15日
maydik
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Activity: 224
Merit: 100
Re: 教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响
May 16, 2017, 07:04:25 AM
#2
我读书的时候都是自己拉的网线~~教育网什么的 是真没用过
Antonys
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Activity: 94
Merit: 10
Re: 教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响
May 16, 2017, 11:03:59 AM
#3
教育网。。。一次都没上过
yytcoin
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Activity: 112
Merit: 21
Re: 教育部网站否认大规模感染勒索病毒:安全厂商恶意放大影响
May 16, 2017, 11:33:32 AM
#4
教育网确实出现445错误啊
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