Tom Cross[0] in this tweet[1] was the first person I saw with the distinction in calling the FBI request an exploit rather than backdoor. This Vectra Networks blog post[2] explains this distinction in better technical detail.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Tom_Cross_%28computer_security%29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Tom_Cross_%28computer_security...</a>
[1] <a href="https:&#x2F;&#x2F;twitter.com&#x2F;_decius_&#x2F;status&#x2F;699932604737417216" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;_decius_&#x2F;status&#x2F;699932604737417216</a>
[2] <a href="http:&#x2F;&#x2F;blog.vectranetworks.com&#x2F;blog&#x2F;apple-vs-the-fbi-some-points-to-consider" rel="nofollow">http:&#x2F;&#x2F;blog.vectranetworks.com&#x2F;blog&#x2F;apple-vs-the-fbi-some-po...</a>