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</o:shapelayout></xml><![endif]--></head><body bgcolor="#EEEEEE" lang=DE link=blue vlink=blue><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri",sans-serif;color:#003560'>FYI</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'> Horst Görtz Institute for IT Security <hgi-presse@rub.de> <br><b>Gesendet:</b> Donnerstag, 17. Dezember 2020 08:41<br><b>An:</b> hgi-presse@rub.de<br><b>Betreff:</b> CASA Distinguished Lecture with Lorenzo Cavallaro (King's College London) on Jan 14, 2021<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><img width=1 height=1 style='width:.0104in;height:.0104in' id="_x0000_i1037" src="http://smoton.com/873ph29v-fxlwrifb-3occu8mv-wy0.gif"><o:p></o:p></span></p></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;background:#EEEEEE;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><div align=center><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=0 style='width:450.0pt;border-collapse:collapse'><tr><td valign=top style='background:white;padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=0 style='width:450.0pt;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><img width=600 style='width:6.25in' id="_x0000_i1038" src="http://smoton.com/l3slzozn/s_873ph29v/files/CASA_HG_Website_Webheader.jpg"><o:p></o:p></span></p></td></tr></table></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:22.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:22.5pt'><p class=MsoNormal style='line-height:22.5pt;mso-line-height-rule:exactly'><span style='font-size:22.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:22.5pt'><p class=MsoNormal style='line-height:22.5pt;mso-line-height-rule:exactly'><span style='font-size:22.5pt'><o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm;height:22.5pt'><p class=MsoNormal style='line-height:22.5pt;mso-line-height-rule:exactly'><span style='font-size:22.5pt'><o:p></o:p></span></p></td></tr><tr><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:19.5pt;font-family:"Arial",sans-serif;color:#035C67;background:white'>CASA Distinguished Lectures NEWS</span><span style='font-size:10.5pt;font-family:"Arial",sans-serif'> <o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr></table></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:6.75pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:6.75pt'><p class=MsoNormal style='line-height:6.75pt;mso-line-height-rule:exactly'><span style='font-size:7.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:6.75pt'><p class=MsoNormal style='line-height:6.75pt;mso-line-height-rule:exactly'><span style='font-size:7.0pt'><o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm;height:6.75pt'><p class=MsoNormal style='line-height:6.75pt;mso-line-height-rule:exactly'><span style='font-size:7.0pt'><o:p></o:p></span></p></td></tr><tr><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Segoe UI Symbol",sans-serif'>📅</span><span style='font-size:10.5pt;font-family:"Arial",sans-serif'> </span><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'>Next Lecture </span><span style='font-size:10.5pt;font-family:"Segoe UI Symbol",sans-serif;color:#80BC00'>➡</span><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#80BC00'> </span><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'> Thursday</span><b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#80BC00'> |</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'> <b>January 14</b>, <b>2021 </b> </span><b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#80BC00'>|</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'> 3.00 PM (UTC+1)</span><span style='font-size:10.5pt;font-family:"Arial",sans-serif'> <o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr><tr style='height:7.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr></table></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><div align=center><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:7.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr><tr style='height:.75pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:.75pt'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:.75pt'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse;border:none;background-clip: border-box'><tr><td style='border:none;border-top:solid #E7E7E7 1.0pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr></table></td></tr></table></td><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:.75pt'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr><tr style='height:7.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr></table></div></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:7.5pt'><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td width=190 style='width:142.5pt;padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td valign=top style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=0 style='width:112.5pt;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><img width=150 style='width:1.5625in' id="_x0000_i1039" src="http://smoton.com/l3slzozn/s_873ph29v/files/lorenzo_cavallaro.jpg"><o:p></o:p></span></p></td></tr></table></td></tr></table></td><td width=6 style='width:4.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr></table></td><td width=410 valign=top style='width:307.5pt;padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:1.5pt'><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm;height:1.5pt'><p class=MsoNormal style='line-height:1.5pt;mso-line-height-rule:exactly'><span style='font-size:1.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:1.5pt'><p class=MsoNormal style='line-height:1.5pt;mso-line-height-rule:exactly'><span style='font-size:1.5pt'><o:p></o:p></span></p></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm;height:1.5pt'><p class=MsoNormal style='line-height:1.5pt;mso-line-height-rule:exactly'><span style='font-size:1.5pt'><o:p></o:p></span></p></td></tr><tr><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td valign=top style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-family:"Arial",sans-serif;color:#035C67;background:white'>Lorenzo Cavallaro</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'><br></span><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'>King's College London, Department of Informatics<br><br><b>"Intriguing Properties of Adversarial ML Attacks in the Problem Space</b>"</span><span style='font-size:10.5pt;font-family:"Arial",sans-serif'><br><br></span><b><span style='font-family:"Arial",sans-serif'><a href="https://ruhr-uni-bochum.zoom.us/j/94288021386?pwd=MXNhdC8rMEl4bjZvOURQNTFmR3lnZz09#success" title="CASA DL Franziska Zoom"><span style='color:#80BC00;background:white'> </span></a><a href="https://ruhr-uni-bochum.zoom.us/j/94339766635?pwd=azRnai9oU1phTDlIcHFvbE15Yk1CUT09" title="Zoom Webinar"><span style='font-family:"Segoe UI Symbol",sans-serif;color:#80BC00;background:white'>➡</span><span style='color:#80BC00;background:white'> To Zoom-Webinar</span></a></span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif'><a href="https://ruhr-uni-bochum.zoom.us/j/94339766635?pwd=azRnai9oU1phTDlIcHFvbE15Yk1CUT09" title="Zoom Webinar"><span style='font-size:12.0pt;color:#53575A;background:white'> </span></a><br> <o:p></o:p></span></p></td></tr></table></td></tr></table></td><td width=20 style='width:15.0pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr></table></td></tr></table></td></tr></table></td></tr><tr><td style='padding:0cm 0cm 0cm 0cm'><div align=center><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;border-collapse:collapse'><tr style='height:7.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr><tr style='height:.75pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:.75pt'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:.75pt'><table class=MsoNormalTable border=0 cellspacing=0 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class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td></tr><tr><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'>Abstract.</span></b><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'> Recent research efforts on adversarial ML have investigated problem-space attacks, focusing on the generation of real evasive objects in domains where, unlike images, there is no clear inverse mapping to the feature space (e.g., software). However, the design, comparison, and real-world implications of problem-space attacks remain underexplored. In this talk, I will present two major contributions from our recent IEEE S&P 2020 paper [1].<br>First, I will present our novel reformulation of adversarial ML evasion attacks in the problem-space (also known as realizable attacks). This requires to consider and reason about additional constraints feature-space attacks ignore, which shed light on the relationship between feature-space and problem-space attacks. Second, building on our reformulation, I will present a novel problem-space attack for generating end-to-end evasive Android malware, showing that it is feasible to generate evasive malware at scale, while evading state-of-the-art defenses.<br> <br>[1] Fabio Pierazzi*, Feargus Pendlebury*, Jacopo Cortellazzi, and Lorenzo Cavallaro. "Intriguing Properties of Adversarial ML Attacks in the Problem Space". IEEE Symp. Security & Privacy (Oakland), 2020.<br><br><b>Bio.</b> <i>Lorenzo grew up on pizza, spaghetti, and Phrack, first. Underground and academic research interests followed shortly thereafter. He is a Full Professor of Computer Science in the Department of Informatics at King's College London, where he holds the Chair in Cybersecurity (Systems Security). He leads the Cybersecurity group's Systems Security Research Lab (</i></span><i><span style='font-size:10.5pt;font-family:"Arial",sans-serif'><a href="https://s2lab.kcl.ac.uk"><span style='color:#80BC00'>https://s2lab.kcl.ac.uk</span></a></span></i><i><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'>), which works at the intersection of program analysis and machine learning for systems security. He received the USENIX WOOT Best Paper Award 2017, and delivers talks & publishes at & sits on the technical program committee of well-known international conferences, including IEEE S&P, USENIX Security, ACM CCS, RAID, ACSAC, as well as emerging thematics workshops (e.g., Deep Learning for Security @ IEEE S&P, and AISec @ ACM CCS).<br>Lorenzo was General Co-Chair of ACM CCS and he is Program Co-Chair of Deep Learning and Security (co-located with IEEE S&P) 2021 and DIMVA 2021. Lorenzo holds a PhD in Computer Science from the University of Milan (2008), held Post-Doctoral and Visiting Scholar positions at Vrije Universiteit Amsterdam (2010-2011), UC Santa Barbara (2008- 2009), and Stony Brook University (2006-2008), and worked in the Information Security Group at Royal Holloway, University of London (Assistant Professor, 2012; Associate Professor, 2016; Full Professor, 2018). He definitely has never stopped wondering and having fun ever since.</span></i><span style='font-size:10.5pt;font-family:"Arial",sans-serif;color:#53575A'><br> <br>This is a public event. You are all invited to be part of that. A registration is not necessary.<br>Please feel free to forward the invitation.<br> <br><b>All information about the Distinguished Lectures, our speakers and the Zoom Webinar links can be found here:</b> </span><span style='font-size:10.5pt;font-family:"Arial",sans-serif'><a href="https://casa.rub.de/en/news/distinguished-lectures"><span style='color:#80BC00'>https://casa.rub.de/en/news/distinguished-lectures</span></a> <o:p></o:p></span></p></td><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm'><p class=MsoNormal style='mso-line-height-alt:0pt'><span style='font-size:1.0pt'><o:p></o:p></span></p></td></tr><tr style='height:7.5pt'><td width=30 style='width:22.5pt;padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span style='font-size:7.5pt'><o:p></o:p></span></p></td><td style='padding:0cm 0cm 0cm 0cm;height:7.5pt'><p class=MsoNormal style='line-height:7.5pt;mso-line-height-rule:exactly'><span 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