Summary: <p>Leo and Steve discuss today's Windows update changes for 7 and 8.1, an exploit purchaser offers a $1.5 million bounty for iOS hacks, WhisperSystems encounter first bug, an IEEE study reveals pervasive "Security Fatigue" among users, Firefox and Chrome news, following the WoSign Woes, Samsung Note 7 news, some errata, a bunch of miscellany... and a look into new Yahoo troubles and concerns over the possibility of hidden trapdoors in widely deployed prime numbers.</p><p>We invite you to read our <a href="https://www.grc.com/sn/SN-581-Notes.pdf" target="_blank">show notes</a>.</p> <p><strong>Hosts:</strong> <a href="https://twit.tv/people/steve-gibson">Steve Gibson</a> and <a href="https://twit.tv/people/leo-laporte">Leo Laporte</a></p> <p>Download or subscribe to this show at <a href="https://twit.tv/shows/security-now">https://twit.tv/shows/security-now</a>.</p><p>You can submit a question to Security Now! at the <a href="http://grc.com/feedback.htm" target="_blank">GRC Feedback Page</a>.</p><p>For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: <a href="http://grc.com/securitynow.htm" target="_blank">grc.com</a>, also the home of the best disk maintenance and recovery utility ever written <a href="http://spinrite.info/" target="_blank">Spinrite 6</a>.</p><p>Bandwidth for Security Now is provided by <a href="https://www.cachefly.com/" target="_blank">CacheFly</a>.</p>
