access
accessory
authorized
bag
baggage
brief
business
carry
case
close
code
combination
commerce
concept
confidential
deny
dial
digital
encrypt
encryption
equipment
handle
hard
isolated
key
latch
lock
luggage
number
padlock
password
prohibit
protect
protection
safe
safety
secret
secure
security
shield
steel
stitch
storage
suitcase
technology
texture
travel
trust
zip