WTLS-webopedia definition - A concise, basic definition of WAP Transactional Layer Security - http://www.webopedia.com/TERM/W/WTLS.html
WAP security - Frequently asked questions - WAP security frequently asked questions regarding sessions, cookies, user authentification and SSL/WTLS over WAP protocol - http://www.123wapinfo.com/faqs/security/
DallasCon - Wireless security conference presents both annual information security conferences as well as security training seminars (such as WAP security) held throughout the year. Held in Dallas, Texas. - http://www.dallascon.com/
WTLS - An Introduction to WAP Security at the Network Protocol Layer by Philip Mikal - http://mikal.org/interests/articles/article0003.jsp
NTRU Cryptosystems - Delivers public key cryptography solutions to secure electronic media and wireless communications and content on mobile devices such as the Palm Pilot, or in any constrained environment. - http://www.ntru.com
iD2 - PKI, public key infrastructure, smart cards. - http://www.smarttrust.com/
Diversinet - Passport Certificate Server Security software for wireless e-commerce applications. - http://www.diversinet.com/