https://www.helpnetsecurity.com/2002/04/01/f-secure-and-sonera-zed-to-collaborate-on-mobile-communications-security/
Espoo, March 22, 2001 - F-Secure Corporation and Sonera Zed Ltd. today announced a strategic agreement to cooperate in the development, production and
f securemobile communicationssonerazedcollaborate