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--></style></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Georgia",serif'>This is to notify the community that the IPR review period for ballot SC39 (Definition of Critical Vulnerability) has completed. <i>No IPR Exclusion Notices were filed</i>, and the ballot becomes effective as of <b>30 March 2021</b>.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Georgia",serif'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Georgia",serif'>The Network and System Security Requirements version 1.6 document is attached for reference and will be uploaded to the public website.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Georgia",serif'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:Consolas;color:black'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:Consolas;color:black'>-- <br>Jos Purvis (</span><span style='font-size:11.0pt'><a href="mailto:jopurvis@cisco.com"><span style='font-size:9.0pt;font-family:Consolas;color:#954F72'>jopurvis@cisco.com</span></a></span><span style='font-size:9.0pt;font-family:Consolas;color:black'>)<br>.:|:.:|:. cisco systems | Cryptographic Services<br>PGP: 0xFD802FEE07D19105 | Controls and Trust Verification</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p></div></body></html>