<div dir="ltr">Punching a hole in one of the listed items, these "locks" only block the port and can be removed fairly easily with tweezers and/or screw drivers:<div><br></div><div><a href="http://www.amazon.com/Lindy-USB-Port-Blocker-Orange/product-reviews/B000I2JWJK/ref=cm_cr_pr_btm_link_2">http://www.amazon.com/Lindy-USB-Port-Blocker-Orange/product-reviews/B000I2JWJK/ref=cm_cr_pr_btm_link_2</a><br></div><div><br></div><div>Given this physical limitation, I'm still willing to purchase a device that blocked generally but allowed me to use with an adaptor. It's not completely secure, but is at least better than the situation as it stands now.</div><div><br></div><div>Cheers,</div><div><br></div><div><br></div><div>Glen</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 20, 2016 at 12:38 PM, Glen Jarvis <span dir="ltr"><<a href="mailto:glen@glenjarvis.com" target="_blank">glen@glenjarvis.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I don't think there is any secret that USB attacks are completely feasible and impossible to detect after the fact:<div><br><div><div><br></div><div>* <a href="http://www.extremetech.com/computing/187279-undetectable-indefensible-security-flaw-found-in-usb-its-time-to-get-your-ps2-keyboard-out-of-the-cupboard" target="_blank">http://www.extremetech.com/computing/187279-undetectable-indefensible-security-flaw-found-in-usb-its-time-to-get-your-ps2-keyboard-out-of-the-cupboard</a></div><div><br></div><div>* <a href="https://srlabs.de/badusb/" target="_blank">https://srlabs.de/badusb/</a><br></div><div><br></div><div>* <a href="http://theinvisiblethings.blogspot.com/2009/10/evil-maid-goes-after-truecrypt.html" target="_blank">http://theinvisiblethings.blogspot.com/2009/10/evil-maid-goes-after-truecrypt.html</a></div><div><br></div><div><br></div><div><br></div><div>Often we miss the low-tech more obvious physical solutions to problems. For example, this solution is a perfect low-tech solution to Webcam hacks:</div><div><br></div><div><a href="http://www.amazon.com/Black-Slider-Webcam-Cover-Professional/dp/B018N0LCNM" target="_blank">http://www.amazon.com/Black-Slider-Webcam-Cover-Professional/dp/B018N0LCNM</a></div><div><br></div><div><br></div><div>I have a MacbookPro that I keep reasonably secure (well, as reasonably as one can without controlling the OS yourself and without the ability to completely trust Apple's security). Within those parameters, I would like to block my USB Devices.</div><div><br></div><div>I know that I can physically block my devices with a tool such as these:</div><div><br></div><div>* <a href="http://cdn.opentip.com/Electronics/Lindy-Usb-Port-Blocker-Pack-p-1971183.html" target="_blank">http://cdn.opentip.com/Electronics/Lindy-Usb-Port-Blocker-Pack-p-1971183.html</a><br></div><div><br></div><div>* <a href="http://www.kensington.com/us/us/4483/lock-anchor-points-accessories#.VsjNYZMrJE7" target="_blank">http://www.kensington.com/us/us/4483/lock-anchor-points-accessories#.VsjNYZMrJE7</a><br></div><div><br></div><div>[It's not clear to me, however, how easily I could remove the USB block with the provided keys. Or, if what I'm about to explain below is already solved in the above solution.]</div><div><br></div><div>I would like is a device that would allow me to take my tin hat off when I want to. For example, a physical block like above that would allow a connection into it and pass the connection to the USB port inside.</div><div><br></div><div>Physical keys (although they can be picked) generally allow only one physical connection to perform a function (turning the lock). Is there a USB Port blocker like above that would take it's own unique insertion, passing the connection through the blocked USB device.</div><div><br></div><div>I would wish to use the device by placing it (as an adaptor) on a USB key that I trust and then plugging that into the port blocked device. This would allow some of the convenience of using USB as long as one had the connector that would convert a USB to be connected to the blocked port. This would allow a moderate increase in physical security -- at least one would need to remove the blocked port and bypass the adaptor key to plug in a USB device.</div><div><br></div><div>In summary, my macbook USB ports would all be "port blocked" with a plug. And, each time I wanted to use USB, I simply took out my adaptor key, placed it on the USB device in question, and then inserted it into the "blocked port".</div></div></div><div><br></div><div><br></div><div>I am surprised I can't find this device to purchase. Has anyone found someone like this? </div><div><br></div><div>If not, would someone start a kickstarter, make a million dollars off this idea, and make a similar device that I can purchase :) Tell me where to sign up. :)</div><div><br></div><div><br></div><div>Cheers,</div><div><br></div><div><br></div><div><br></div><div>Glen Jarvis</div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">
<p>Machines take me by surprise with great frequency. <br></p><p>--Alan Turing</p><p>
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