透過無線 WiFi 的監視器的問題
source link: https://blog.gslin.org/archives/2024/02/15/11660/%e9%80%8f%e9%81%8e%e7%84%a1%e7%b7%9a-wifi-%e7%9a%84%e7%9b%a3%e8%a6%96%e5%99%a8%e7%9a%84%e5%95%8f%e9%a1%8c/
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透過無線 WiFi 的監視器的問題
在「Wi-Fi jamming to knock out cameras suspected in nine Minnesota burglaries (tomshardware.com)」這邊看到的，原報導在「Wi-Fi jamming to knock out cameras suspected in nine Minnesota burglaries -- smart security systems vulnerable as tech becomes cheaper and easier to acquire」。
這個手法是把無線網路的頻寬塞爆 (或是放出干擾)，這樣 security camera 就算拍到東西也不會有記錄：
這個應該是已知的問題？從以前 security camera 都是建議走有線 (以及 isolated VLAN)，無線的主要還是娛樂用途，而不是 security camera...
以前還有印象有看過防 EMP 的型號，不過那個是軍用...
Related
利用 MAC address 抓出網路攝影機 (AirBnB 事件後續的反制)
之前 AirBnB 的屋主在屋內安裝攝影機而打官司的事情繼續被討論：「Beware, houseguests: Cheap home surveillance cameras are everywhere now」。有人提出自救方法，作者使用 DropCam 與 Withings 的 MAC Address Prefix 抓出網路攝影機：「Detect and disconnect WiFi cameras in that AirBnB you’re staying in」。 由於 MAC address 不需要知道 WPA passphase，所以可以直接掃出來。作者提供的程式需要使用 airmon-ng 來掃無線網路。 另外作者有點出這個方法可以打掛透過無線網路的裝置 (像是 WiFi jammer)，用在安全機制上 (也就是這些產品本來的設計) 未必有效，還是建議用有線網路接： For the record, I’m well aware DropCam…
December 20, 2015In "Computer"
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