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A few weeks ago my Mac Little Snitch security ap--which I recommend for all Mac users--caught that zoom ap trying to communicate with a zoom server from my Mac, and I blocked it and uninstalled zoom. Apparently uninstalling did not prevent the problem for Macs
but Little Snitch would block all such connections once the rule is made. Little Snitch will show you just how much is communicated from your Mac to all kinds of external servers--quite a wake up call.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Hidden-discuss <hidden-discuss-bounces@lists.hidden-tech.net> on behalf of Elijah Gwynn via Hidden-discuss <hidden-discuss@lists.hidden-tech.net><br>
<b>Sent:</b> Thursday, July 11, 2019 9:21 AM<br>
<b>To:</b> Val Nelson<br>
<b>Cc:</b> PeopleFirst Tech; Discussion List<br>
<b>Subject:</b> Re: [Hidden-tech] Major security flaw in Zoom</font>
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<p dir="auto">Amazingly Apple <em>also</em> released a fix — silently — which disables the Zoom web server even on Macs that haven't installed the Zoom patch.</p>
<p dir="auto"><a href="https://techcrunch.com/2019/07/10/apple-silent-update-zoom-app/" style="color:#3983C4">https://techcrunch.com/2019/07/10/apple-silent-update-zoom-app/</a></p>
<p dir="auto">Eli</p>
<p dir="auto">On 11 Jul 2019, at 0:42, Val Nelson via Hidden-discuss wrote:</p>
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<div dir="auto">The update alert showed up when I went in today and the switch was easy and it works great. <br>
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<div id="x_AppleMailSignature" dir="ltr">~Val
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<div><a href="https://ValNelson.com">https://ValNelson.com</a></div>
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<div><i>(Sent from phone. Please pardon brevity or typos. Thanks.)</i></div>
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On Jul 10, 2019, at 5:30 PM, Michael Klatsky via Hidden-discuss <<a href="mailto:hidden-discuss@lists.hidden-tech.net">hidden-discuss@lists.hidden-tech.net</a>> wrote:<br>
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<div style="font-family:Verdana,Arial; font-size:14px">Zach -</div>
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<div style="font-family:Verdana,Arial; font-size:14px">Thanks for sending that along. </div>
<div style="font-family:Verdana,Arial; font-size:14px"><br>
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<div style="font-family:Verdana,Arial; font-size:14px">For those who need to use Zoom- an update has been released:</div>
<div style="font-family:Verdana,Arial; font-size:14px"><br>
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<div style="font-family:Verdana,Arial; font-size:14px"><a href="https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/">https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/</a></div>
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<div><font face="Verdana"><span style="font-style:normal; font-size:14px">---</span></font></div>
<div><font face="Verdana"><span style="font-style:normal; font-size:14px">Sincerely,</span></font></div>
<div><font face="Verdana"><span style="font-style:normal; font-size:14px"><br>
</span></font></div>
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<div><font face="Verdana"><span style="font-style:normal; font-size:14px">Michael Klatsky</span></font></div>
<div><font face="Verdana"><span style="font-style:normal; font-size:14px">Devops and Technical Services</span></font></div>
<div><font face="Verdana"><span style="font-style:normal; font-size:14px">MapuTech</span></font></div>
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<p class="x_airmail_on">On July 10, 2019 at 1:57:01 PM, PeopleFirst Tech via Hidden-discuss (<a href="mailto:hidden-discuss@lists.hidden-tech.net">hidden-discuss@lists.hidden-tech.net</a>) wrote:</p>
<blockquote type="cite" class="x_clean_bq"><span>
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<div dir="ltr">Have you used the popular Zoom platform for videoconferencing or screen sharing? We primarily don't, but recent security flaws uncovered on Zoom lead us to suggest that you uninstall it (instructions courtesy of
<a href="https://www.buzzfeednews.com/article/nicolenguyen/zoom-webcam-hacker-watching-you-vulnerability">
BuzzFeed</a>). </div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Further reading: <a href="https://medium.com/bugbountywriteup/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5">https://medium.com/bugbountywriteup/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5</a>
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<h2 style="box-sizing:inherit; margin:0px 0px 1.7rem; padding:0px; line-height:1.2; font-family:Basier,Helvetica,Arial,sans-serif">
<font size="4">What to Do About It</font></h2>
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<p style="box-sizing:inherit; margin:0px 0px 1.7rem; padding:0px; font-family:Pensum,"Times New Roman",times,serif">
<font size="4">Go to Zoom settings > Video, and under Meetings, enable “Turn off my video when joining a meeting.”</font></p>
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<p style="box-sizing:inherit; margin:0px 0px 1.7rem; padding:0px; font-family:Pensum,"Times New Roman",times,serif">
<font size="4">OR</font></p>
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<p style="box-sizing:inherit; margin:0px 0px 1.7rem; padding:0px; font-family:Pensum,"Times New Roman",times,serif">
<font size="4">Get rid of the Zoom desktop app entirely. If you want to get ahead of Zoom’s patch, which the company said will be released by midnight tonight, first you need to shut down the web server. Open the application called Terminal. Copy and paste
this text: lsof -i :19421. Press enter. You’ll get a string of mumbo jumbo. Underneath the text “PID,” copy the string of numbers. Then type “kill -9” (without the quotes), add a space after -9, and paste the PID string of numbers. Press enter. The server
has been killed.</font></p>
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<p style="box-sizing:inherit; margin:0px 0px 1.7rem; padding:0px; font-family:Pensum,"Times New Roman",times,serif">
<font size="4">Drag the Zoom app, along with a folder titled “.zoomus,” to the trash can. Then hover over the trash can, and press CONTROL and click your mouse simultaneously. Empty the trash can. Boom.</font></p>
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<p style="margin:0px; font-stretch:normal; font-size:12px; line-height:normal; font-family:Helvetica; color:rgb(122,122,122); min-height:14px">
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<p style="margin:0px; font-stretch:normal; font-size:13px; line-height:normal; font-family:Arial">
<span style="">— — —</span></p>
<p style="margin:0px; font-stretch:normal; font-size:12px; line-height:normal; font-family:Helvetica; color:rgb(96,96,96)">
<span style=""><b>Zach Fried</b></span></p>
<p style="margin:0px; font-stretch:normal; font-size:12px; line-height:normal; font-family:Helvetica; color:rgb(85,26,139)">
<span style="text-decoration:underline"><a href="https://peoplefirst.tech/"><b>PeopleFirst Tech Consulting</b></a></span></p>
<p style="margin:0px; font-stretch:normal; font-size:13px; line-height:normal; font-family:Helvetica; color:rgb(96,96,96)">
<span style="">Human-Focused Solutions</span> <span style="font-stretch:normal; font-size:11px; line-height:normal">
<br>
</span><span style="font-stretch:normal; font-size:11px; line-height:normal"><a href="mailto:zach@peoplefirst.tech">zach@peoplefirst.tech</a></span></p>
<p style="margin:0px; font-stretch:normal; font-size:12px; line-height:normal; font-family:Helvetica; color:rgb(35,35,35); min-height:14px">
<br>
</p>
<p style="margin:0px; font-stretch:normal; font-size:10px; line-height:normal; font-family:Helvetica">
<span style="">By Appointment:</span></p>
<p style="margin:0px; font-stretch:normal; font-size:10px; line-height:normal; font-family:Helvetica">
<span style="">409 Main Street, Suite 214</span></p>
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<span style="">Amherst, MA 01002</span></p>
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