{"id":95,"date":"2026-05-23T17:25:16","date_gmt":"2026-05-23T15:25:16","guid":{"rendered":"https:\/\/it-defense.hostpress.me\/it-defense-2027\/?page_id=95"},"modified":"2026-06-10T13:11:15","modified_gmt":"2026-06-10T11:11:15","slug":"speakers","status":"publish","type":"page","link":"https:\/\/it-defense.de\/it-defense-2027\/en\/program\/speakers\/","title":{"rendered":"Speakers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><div class=\"rg-gallery\">\r\n\t<div class=\"rg-grid\">\r\n\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Christoph Saatjohann\"\r\n\t\t\t data-desc=\"Prof. Dr. Christoph Saatjohann studied IT security at Ruhr University Bochum in Germany and the University of Birmingham in the UK. He then spent several years working as an automotive security engineer at the Bosch Group, primarily in the field of cryptographic software libraries.\nBetween 2019 and 2023, Prof. Saatjohann earned his PhD in medical IT security at Ruhr University Bochum. During this time, he worked as a research assistant in the Laboratory for IT Security at FH M\u00fcnster, serving as a (co-)project manager for research projects in the field of medical IT security. Starting in April 2023, he helped establish the newly founded \u201cApplied Cryptography and Medical IT Security\u201d department at Fraunhofer SIT as deputy department head. There, he was responsible for training programs and projects in the field of IT security in medicine.\nSince September 2024, Prof. Saatjohann has headed the Laboratory for Embedded Security at FH M\u00fcnster, actively conducts research in the field of IT security in digitalized medicine, and publishes at academic conferences as well as IT security congresses.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Christoph-Saatjohann-1024x768.jpg\"\r\n\t\t\t data-alt=\"Christoph Saatjohann\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Christoph Saatjohann\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Christoph Saatjohann\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Christoph-Saatjohann-1024x768.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Christoph Saatjohann<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Daniel Gruss\"\r\n\t\t\t data-desc=\"Daniel Gruss is a Professor at Graz University of Technology. He has been teaching undergraduate courses since 2010. Daniel&#8217;s research focuses on side channels and transient execution attacks. He implemented the first remote fault attack running in a website, known as Rowhammer.js. His research team was one of the teams that found the Meltdown and Spectre bugs published in early 2018. He frequently speaks at top international venues. In 2022, he received a prestigious ERC StG Grant to research the foundations of sustainable security.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Daniel-Gruss-1024x1024.jpg\"\r\n\t\t\t data-alt=\"Daniel Gruss\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Daniel Gruss\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Daniel Gruss\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Daniel-Gruss-1024x1024.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Daniel Gruss<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Felix Friedberger\"\r\n\t\t\t data-desc=\"Felix Friedberger is a consultant at cirosec and has since developed a broad range of expertise: He performs complex penetration tests, such as for AI-based applications and SaaS environments, for instance, and has experience in red teaming, technical incident response exercises, tabletop exercises and purple teaming.\n\n\n\n\nMoreover, he is part of cirosec\u2019s incident response team, assists customers in dealing with diverse IT security incidents and carries out forensic analyses. Since 2024 he has been responsible for the internal CVE Numbering Authority (CNA), authorizing cirosec to issue CVE identifiers independently.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Felix-Friedberger_Teams_PB.jpg\"\r\n\t\t\t data-alt=\"Felix Friedberger\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Felix Friedberger\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Felix Friedberger\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Felix-Friedberger_Teams_PB.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Felix Friedberger<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Joshua Tiago\"\r\n\t\t\t data-desc=\"After having completed his training as an industrial electronics technician, he acquired the title \u201ccertified engineer\u201d in the field of electrical engineering with a focus on information technology.\nFrom 2005 to 2010 he worked as a software development engineer for database-driven web applications and other web technologies. Back then, security aspects had already played a vital role in his work. He acquired profound knowledge of various programming languages (PHP, ASP.NET, C#). Another focus of his job was the source code analysis of web applications.\nJoshua Tiago has been working as a consultant at cirosec since 2011. During numerous projects over the years, he has further improved his skills in the fields of penetration tests, reverse engineering, OT security, digital forensics, incident response and conceptual analyses.\nHaving played a major part in building cirosec\u2019s incident response team, Joshua Tiago now has a leading role in this team. As an Incident Manager, he assists incident response SLA customers in handling security incidents.\nBeing an instructor of the cirosec trainings \u201cIncident Handling &amp; Response\u201d and \u201cForensics Extreme\u201d, he also plays a vital role in developing these trainings. Joshua Tiago speaks at different conferences and regularly authors articles in technical journals on current IT security topics. Moreover, he gives lectures on different IT security topics at various universities as a guest lecturer.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Joshua-Tiago_Teams_PB-300x300-1.jpg\"\r\n\t\t\t data-alt=\"Joshua Tiago\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Joshua Tiago\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Joshua Tiago\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Joshua-Tiago_Teams_PB-300x300-1.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Joshua Tiago<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Matthew Webster\"\r\n\t\t\t data-desc=\"Veteran cybersecurity leader Matthew Webster helps organizations bridge the gap between business leadership, governance, resilience, and cybersecurity.\nHis career began in 1997 at a university computer center before advancing into federal cybersecurity with the Centers for Medicare &amp; Medicaid Services (CMS), where he worked extensively with frameworks such as NIST SP 800-53 and complex audit environments.\nHaving served in multiple CISO and cybersecurity leadership roles throughout his career, Matthew has extensive experience in governance, enterprise risk management, operational resilience, AI risk, quantified risk management, and strategic cybersecurity leadership.\nToday, as the Founder, CEO, &amp; CISO of Cyvergence, he advises executives, boards, and organizations through a holistic approach centered on Cyvergence\u2019s mission: Bridging Business &amp; Cybersecurity.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Matthew-Webster-903x1024.jpg\"\r\n\t\t\t data-alt=\"Matthew Webster\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Matthew Webster\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Matthew Webster\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Matthew-Webster-903x1024.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Matthew Webster<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Matthias Frielingsdorf\"\r\n\t\t\t data-desc=\"Matthias Frielingsdorf is the cofounder of and VP of Research at iVerify. With over a decade of experience, Matthias has focused on understanding iOS exploitation and malware development.\nHis achievements include his work on iOS threat research, discovering and analyzing a new Pegasus sample in 2023, security solutions for smartphones and tablets for Deutsche Bahn and testing mobile security software products for T-Systems.\nMatthias has conducted extensive research on iOS exploits and malware detections, regularly presenting his findings at conferences such as Black Hat, OBTS and LabsCon. He is also a sought-after trainer in detecting commercial spyware on iOS, conducting training sessions throughout the year at both private and public seminars.\nBeyond his professional pursuits, Matthias enjoys playing basketball and gaming, as well as learning more about iOS.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Matthias-Frielingsdorf2-1024x683.jpg\"\r\n\t\t\t data-alt=\"Matthias Frielingsdorf\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Matthias Frielingsdorf\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Matthias Frielingsdorf\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Matthias-Frielingsdorf2-1024x683.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Matthias Frielingsdorf<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Nestori Syynimaa\"\r\n\t\t\t data-desc=\"Dr. Nestori Syynimaa is a Principal Identity Security Researcher at Microsoft Security Research. He has over a decade of experience with the security of Microsoft cloud services and is known as the creator of the AADInternals toolkit. Before joining Microsoft in early 2024, Dr. Syynimaa worked as a researcher, CIO, consultant, trainer, and university lecturer for over 20 years.\nDr. Syynimaa has spoken at many international scientific and professional conferences, including IEEE TrustCom, BSides, Black Hat USA, Europe, and Asia, Def Con, and RSA Conference.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Nestori-Syynimaa.png\"\r\n\t\t\t data-alt=\"Nestori Syynimaa\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Nestori Syynimaa\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Nestori Syynimaa\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Nestori-Syynimaa.png\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Nestori Syynimaa<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Paula Januszkiewicz\"\r\n\t\t\t data-desc=\"Paula Januszkiewicz is a renowned speaker in the cybersecurity field, delivering keynotes and sessions at major global conferences. Her presentations are known for their technical depth and for Paula\u2019s engaging stage presence, making her a top-rated speaker at events like Microsoft Ignite, RSA, Black Hat, and others. Paula&#8217;s expertise includes penetration testing, architecture consulting, training and seminars, with over 19 years of experience in the cybersecurity sector. She is also a Microsoft MVP and has access to the source code of Windows. Paula&#8217;s keynote sessions are designed to educate audiences on the latest threats and strategies to safeguard against them.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Paula_Januszkiewicz.jpg\"\r\n\t\t\t data-alt=\"Paula Januszkiewicz\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Paula Januszkiewicz\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Paula Januszkiewicz\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/07\/Paula_Januszkiewicz.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Paula Januszkiewicz<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Stefan Strobel\"\r\n\t\t\t data-desc=\"Stefan Strobel is the CEO of cirosec GmbH. He has more than 30 years of experience in consulting major companies with very high security requirements and in developing concepts and policies.\nIn addition to his regular work, he gives lectures on current topics of IT security, trends, new technologies and security strategies at specialist conferences, and he is responsible for the program of the IT-Defense security conference. Moreover, he has worked as a lecturer on IT security at different universities of cooperative education and at Heilbronn University.\nStefan Strobel is also the author of several technical books, which have been published in different languages, and he publishes articles on IT security in specialist magazines on a regular basis.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Stefan-Strobel-Polo2-740x1024.jpg\"\r\n\t\t\t data-alt=\"Stefan Strobel\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Stefan Strobel\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Stefan Strobel\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Stefan-Strobel-Polo2-740x1024.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Stefan Strobel<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t<div class=\"rg-card\"\r\n\t\t\t data-name=\"Wendy Nather\"\r\n\t\t\t data-desc=\"Wendy Nather is the Senior Research Initiatives Director at 1Password. She was previously the Director of Advisory CISOs at Duo Security, Research Director at the Retail ISAC, and Research Director of the Information Security Practice at 451 Research. Wendy led IT security for the EMEA region of the investment banking division of Swiss Bank Corporation (now UBS), and served as CISO of the Texas Education Agency. She was inducted into the Infosecurity Europe Hall of Fame in 2021. Wendy serves on the board of directors for Sightline Security, is on the steering committee for the IST Ransomware Task Force, and is a Senior Fellow at the Atlantic Council&#8217;s Cyber Statecraft Initiative.\"\r\n\t\t\t data-img=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Wendy_Nather-850x1024.jpg\"\r\n\t\t\t data-alt=\"Wendy Nather\"\r\n\t\t\t role=\"button\"\r\n\t\t\t tabindex=\"0\"\r\n\t\t\t aria-label=\"Wendy Nather\">\r\n\t\t\t<div class=\"rg-img-wrap\">\r\n\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" alt=\"Wendy Nather\" loading=\"lazy\" class=\"lazyload\" data-src=\"https:\/\/it-defense.de\/it-defense-2027\/wp-content\/uploads\/sites\/8\/2026\/06\/Wendy_Nather-850x1024.jpg\">\r\n\t\t\t\t\t\t\t\t<div class=\"rg-overlay\"><\/div>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"rg-name\">Wendy Nather<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n<\/div>\r\n\r\n<!-- Modal (einmalig im DOM, wird per JS bef\u00fcllt) -->\r\n<div class=\"rg-backdrop\" id=\"rg-backdrop\" aria-hidden=\"true\" role=\"dialog\" aria-modal=\"true\">\r\n\t<div class=\"rg-modal\">\r\n\t\t<button class=\"rg-modal-close\" id=\"rg-modal-close\" aria-label=\"Schlie\u00dfen\">&#x2715;<\/button>\r\n\t\t<div class=\"rg-modal-img-wrap\">\r\n\t\t\t<img class=\"rg-modal-img lazyload\" alt=\"\" hidden=\"\">\r\n\t\t<\/div>\r\n\t\t<div class=\"rg-modal-body\">\r\n\t\t\t<h2 class=\"rg-modal-name\"><\/h2>\r\n\t\t\t<p class=\"rg-modal-desc\"><\/p>\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/div>\r\n<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":87,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-95","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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