Markus enjoys public speaking. He is commonly speaking to media, and his work has been featured in New York Times, Forbes, BusinessWeek, and many other similar publications. He has given keynotes at conferences, such as MAAWG, Financial Cryptography, USENIX Security, the iCore Summit, BanaMex Foro De Seguridad, and the iCore summit. He has given several invited talks at the US Patent and Trademark Office, and has taught security classes at different levels, on topics ranging from fraud and phishing to cryptographic protocol design. Watch sample talks on Google Tech Talks — Love and Authentication, Badvertisements.