快看看,你的手机被人监控了吗?
2013年,斯诺登事件美国曝出美国NSA通过微软、谷歌、苹果、雅虎等大型互联网公司长期监听公民的聊天记录和通话等隐私的新闻,在当时引起了很大轰动,后来很多人才知道手机监控并不是只是军方警方专用,普通百姓也有可能遭到黑客或不法份子控制。
那么,黑客究竟是通过什么方式来监控我们的手机呢?
每部手机都有一个GPS模块,并且定位的精确很高。我们平时使用的很多软件都需要GPS定位,比如微信的位置功能,导航,打车软件等等,它们都是通过基站+GPS协同定位。所以只要你手机带有GPS功能,黑客就可以实现远程控制。
当手机WiFi开关开启状态下,手机不需要连接到WiFi网络,黑客就可以精准定位你手机。因为无线网络开启时,手机会自动扫描WiFi网络信号,而每一个热点都有一个独一无二的地址,通过服务器再检索每个wifi热点的地理位置,然后根据信号不同的强弱程度,计算出手机的地理位置。这种方式更适用于室内,精度小于10m。
手机信号都是由基站而发出的,而每个基站都有特定的编号,每个编号代表着基站的位置,我们不管走到哪里,手机都会自动连接信号最强的基站,所以通过基站定位就可以查到手机的位置信息。而每张SIM卡的电话号码都是唯一的,当你的手机连接基站信号时,这个数据就会被记录上传,所以你的手机连接过哪个基站,也能查出你大概的位置。但是基站定位一般误差较大,在100-300米的样子。
那么,手机出现哪些情况手机有可能被监控呢?
1、手机不是自己买的,或者是手机曾经失踪过一段时间又失而复得(有可能被植入监控晶片或软体;
2、手机偶尔会失灵,按键反应迟钝,或者是手机自动跳到App;
3、通讯录里出现毫无印象的陌生人号码;
4、通讯费用暴涨(你收到的信息或发给别人的信息,手机都会暗地里都发给“监控者”);
5、SIM卡被开通了三方通话功能(如果你的手机这个功能,''监控者''一拨进去就可以直接听通话内容,但不会被你发现)。
那么,怎么避免手机不被别人监控呢?
1.不要下载非应用市场的应用,来源不明的应用软件不要轻易安装;
2.不要轻易打开来源不明的链接;
3.不要轻易连接安全性未知的Wifi。
4.经常使用安全软件进行安全检测。(建议每天最少检测一到两次)
做到以上几点,就可以避开大部分的监控手段,使用起来更加安全了。
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