"A talk demonstrating security weaknesses in a widely used automatic
teller machine has been pulled from next month's Black Hat conference
after the machine vendor placed pressure on the speaker's employer.
Juniper Networks, a provider of network devices and security
services, said it delayed the talk by its employee Barnaby Jack at the
request of the ATM vendor. The talk promised to "explore both local and
remote attack vectors, and finish with a live demonstration of an
attack on an unmodified, stock ATM," according to a description of the
talk pulled from the Black Hat website in the past 24 hours."
Read more: http://www.theregister.co.uk/2009/06/30/atm_talk_canceled/