These are the most frequently used words in this book.
access
account
against
another
applications
attacks
bank
between
bits
business
call
card
case
chapter
cipher
code
common
communications
company
computer
control
countries
customers
data
design
devices
different
effect
electronic
encryption
even
example
figure
file
first
function
general
get
give
given
government
information
issues
key
known
large
level
machine
may
means
mechanisms
message
might
model
must
name
need
network
new
now
number
often
password
people
phone
policy
possible
problem
process
products
protection
protocol
public
rather
records
secret
security
see
service
set
should
signal
signature
smartcard
software
states
still
system
techniques
technology
things
time
transactions
two
use
used
users
whether
work
years