Dr. Markus Jakobsson writes about various aspects of Internet security, aiming for an audience of technically interested readers, without requiring deep prior knowledge of computer science, mathematics or security.He is Chief Scientist at Agari, a leading provider of email security software. He has held positions as Senior Director at Qualcomm, and Principal Scientist at Paypal, Xerox PARC and RSA Laboratories. He has a PhD in computer science from University of California at San Diego. Dr. Jakobsson does research on identity deception, mobile commerce, malware, authentication, user interfaces and phishing. He is an inventor of more than 100 US and international patents and patents pending and the co-founder of several startups. His webpage is www.markus-jakobsson.com