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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.。    　　讯 8月19日，中共山西省委宣传部、山西省人民政府新闻办公室举办开局起步“十五五”系列主题新闻发布会（晋中市专场）。　　会上，晋中市委常委、副市长，晋中国家农高区党工委书记、管委会主任李哲介绍，晋中坚持走有机旱作与特优农业融合发展之路，重点抓好5项工作。　　一是聚焦空间布局，优化资源配置。

二 | 根据地理气候、产业基础、资源禀赋，构建“两区三带”产业战略布局。两区，就是平川地区发展规模种养和精深加工，东山地区发展休闲农业和生态种养；三带，就是汾河百里设施蔬菜带、丘陵百里林果经济带、太行山百里“草畜粮”循环产业带。引导项目跟着产业走、资金跟着产业投、人才技术向产业聚，争取“十五五”期间新建3个国字号产业基地。　　二是聚焦科技赋能，发展新质生产力。依托晋中国家农高区28个国省级重点实验室，开展玉米、谷子等良种繁育推广，推进节水农业、丘陵农机等关键技术攻关，发展智慧农业、合成生物产业，发挥农高区科技引擎作用，赋能特优农业发展。　　三是聚焦稳粮保供，发展绿色有机农业。一方面，在资源条件好的区域建设高标准农田，发展现代灌溉农业，推广“一年两作、两年三作”，提升粮食单产，保障粮食安全。

三 | 另一方面，选树可复制、可推广的先进典型，建设一批绿色、有机农业示范推广基地，生产出真正有机高品质的晋中地理标志性农产品，走向全国、全球高端市场，满足不同层次的消费需求。　　四是聚焦精深加工，做好三产融合文章。跳出只卖原粮鲜果的老路，延伸产业链，提升附加值，以精深加工激活特优农业，把得天独厚的土特产资源优势转化为产业优势、经济优势。依托农高区牵引，突破加工技术瓶颈，健全标准体系，做强“农高晋品、太行山货”市级区域公用品牌，培育壮大市场主体，打造加工产业集聚区。

四 | “十五五”末，力争国家级龙头企业达到10家以上，农产品加工销售收入突破600亿元。　　五是聚焦增产增收，强化惠农服务。建立“产业出题、院校揭榜、农高区中试熟化”机制，推动更多科技成果从实验室走向田间地头，把好技术转化成好收成。

五 | 建设“1+N”现代农事综合服务中心，统筹提供“良种、良田、良机、良法”服务，助力农业生产降本增效。开发特优农业+文化、+旅游、+康养等新模式新业态，让农民在家门口就业增收。

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