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

A |     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.。     8 月 26 日消息，洛阳长江科技有限公司今日发布两款全新 ADV 风格边三轮摩托车 —— 长江 700X 与挎刀 250（KD250）。其中，长江 700X 官方指导价为 63,800 元；挎刀 250 提供标准版与特别版两种配置，售价分别为 29,800 元和 32,800 元。据官方介绍，长江 700X 采用现代 ADV 外观设计风格，融合了长江品牌经典的边三轮（俗称“侉子”）基因。动力方面搭载来自春风的 700cc 水冷并列双缸发动机，实际排量 693cc，最大功率 55 千瓦（注：约 74.7 马力）在 8500 转 / 分钟时爆发，峰值扭矩 68 牛 · 米在 6500 转 / 分钟时产生。变速箱提供 4 个前进挡和倒挡，标配滑动离合器，采用链条传动。

B | 底盘方面，700X 配备可调节边车连接结构，采用 KYB 可调摇架式前悬挂。

C | 制动系统采用前轮 320 毫米浮动刹车盘，整车制动针对三轮行驶特性进行专门标定。电控方面搭载博世（BOSCH）全套电控系统，标配三通道 ABS 防抱死系统及 TCS 牵引力控制系统，并支持手动关闭。

D | 配置方面，700X 配备 7 寸 TFT 全彩投屏仪表，支持导航投屏；提供手把加热及主驾、边斗座椅加热功能；边斗内置 90 升液压开启大容量后备箱，集成多功能面板，提供 USB 充电接口、点烟器及射灯开关。车辆配备 20 升油箱，整车整备质量 381 公斤，座高 820mm，轴距 1480mm。配色提供星际灰、索拉黄、极夜黑、措空蓝四种选择。挎刀 250 采用复古攀爬风格设计，车身线条硬朗，主车为钢管编织车架，边斗同样由管状结构编织而成。

E | 动力搭载春风 250cc 水冷单缸四气门发动机，最大功率 19.5 千瓦在 9000 转 / 分钟时爆发，最大扭矩 22 牛 · 米在 7500 转 / 分钟时输出。配备 5 个前进挡和倒挡，采用链条传动。车辆配备 12.5 升油箱，预估续航里程约 300 公里，整车整备质量 247 公斤。底盘采用多连杆加可旋转式悬挂结构，标准版配备 KYB 五段可调直筒减震，特别版升级为 KYB 高行程五段可调摇架式减震，并配备高位金属前挡泥板。制动方面同样标配三通道 ABS 及 TCS 牵引力控制系统，支持手动关闭。配置方面搭载 7 寸 TFT 竖置投屏仪表，支持导航投屏与蓝牙连接；配备手把加热功能；全车采用 LED 光源。标准版与特别版的 32,800 元差价主要体现在专属定制涂装、强化护杠套件、射灯、外观装饰件以及露营拓展配件预装等方面。此次两款新车的发布进一步完善了长江在 250cc 至 700cc 排量区间的边三轮产品矩阵。

F | 两款车型均将三通道 ABS 与 TCS 列为全系标配，这一配置组合在同级别边三轮中较为少见。

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Published on:05:07:09