Slawomir "Slawek" Ligier is Vice President of Identity and Authentication Serviecs Engineering at VeriSign. Slawek oversees an effort to develop multiple layers of internet security, including Public Key Infrastructure (PKI) Certificates, Second Factor Authentication, and Fraud Detection Service. Slawek is presenting "On-Line Fraud Prevention and Detection-Multiple Layers of Security" on Monday, June 29th at 16:00.