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Researcher: National Emergency Alert System is Easy To Exploit_我的网站

一 |     The Department of Homeland Security is telling state and local governments to update software and beef up security around devices connected to the nationwide Emergency Alert System (EAS). The recommendation comes days after security researcher Ken Pyle revealed vulnerabilities in devices used by officials to encode EAS alerts.,Pyle told KerbsOnSecurity that he first discovered the vulnerabilities in 2019 after buying old EAS equipment on eBay. He quickly found the vulnerabilities and alerted the FBI, DHS, and the manufacturer of the devices. Pyle decided to give the manufacturer and government time to address the issue before going public.,DHS Inspector General Overseeing Jan.6 Secret Service Probe Previously Misled Investigators: Report4 August, 12:27 GMT,He started to worry after the Jan 6, 2021 riot at the US Capitol, fearing that the vulnerabilities could be used “to start a civil war.”,That is because despite a patch being issued in 2019, many of the devices have not been updated either because they are too old for the new firmware or because of simple neglect by the operators. Pyle also says that many operators do not perform basic security measures recommended by the manufacturer, like changing the default password and putting the devices behind a firewall.,This is a problem because of the way EAS messages are distributed. There is no central authority and the process is automated in most cases. This means that someone could issue an alert locally and as long as it is accepted as a real EAS alert, it could spread nationwide.,“These devices are designed such that someone locally can issue an alert, but there’s no central control over whether I am the one person who can send or whatever,” Pyle told KerbsOnSecurity. “If you are a local operator, you can send out nationwide alerts. That’s how easy it is to do this.”,One device obtained by Pyle was a non-functional EAS device, purchased from an electronics recycling company. While the device no longer operated, the person who discarded it and the recycling company neglected to wipe the hard drive, giving Pyle access to cryptographic keys allowing him to broadcast messages on Comcast’s network, the third largest cable company in the US.,Comcast told KerbsOnSecurity in a statement that the EAS was lost by a third-party shipper and that the keys and credentials found on the device will no longer work on their system. They also thanked Pyle for his research and for informing them about the issue.,EAS vulnerabilities have been exploited in the past. In 2013, someone hacked the EAS networks in Great Falls, Montana, and Marquette, Michigan, using their access to issue an alert saying that zombies are rising from their graves. That same prank was repeated in Indiana in 2017. There have been other incidents, though they did not include zombies.。    中新社武汉8月21日电 (记者 张晓曦 马芙蓉)20日至21日在武汉举办的2026年两岸关系研讨会上，两岸专家指出，当前台海形势复杂严峻，面对民进党刻意操弄“敌意螺旋”，应保持冷静理性与战略定力，继续深化民间交流，厚植和平发展基础。

二 |                         　　厦门大学两岸关系和平发展协同创新中心主任刘国深表示，2016年以来，特别是2024年以来，民进党当局公开操作针对大陆的“敌意螺旋”政策，阻挠两岸民间正常往来。但是，两岸关系和平发展、融合发展进程不会因阻挠而原地踏步，大批台湾民众不惧恐吓、继续前来大陆交流就是明证。

三 |          　　他表示，来之不易的台海和平局面值得两岸共同珍惜。从大陆方面的涉台权威政策文件和重要讲话来看，两岸关系和平发展、融合发展仍然是官方主流政策话语。

四 |          　　“大陆方面不会放弃团结台湾同胞、争取台湾民心的努力。”刘国深说，面对民进党的“敌意螺旋”操作，大陆方面既要深耕两岸民间关系，也要进一步增强粉碎“台独”分裂图谋的能力，做好应对各种复杂局面的充分准备。

五 |          　　台湾亚太综合研究院高级研究员钟琴分析，台湾部分民众对两岸统一存有疑虑，主要受到社会认知惯性、选举诉求钝化和外部势力干预增强三个因素影响。其中，选举诉求钝化是指岛内选举往往聚焦短期议题，攸关长远发展及两岸关系走向的重大问题难以得到充分讨论。

六 |          　　她认为，因民进党当局制造“寒蝉效应”，岛内长期缺少客观的大陆资讯，岛内一些民众容易受到“民主对抗专制”等二元叙事影响，对大陆产生排斥心理。         　　钟琴表示，近年大陆发展成就受到国际社会广泛关注，为台湾民众特别是年轻人打破固有印象提供了契机。她相信，随着大陆国际话语权和影响力不断提升，会有更多台湾民众愿意主动了解大陆，并重新思考两岸关系和自身发展选择。(完) 【编辑:万纪玮】。

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