anti
armor
backs
badge
buckler
care
casing
code
concept
conservancy
conservation
cover
custody
data
decoration
defense
defensive
element
emblem
graphic
guarantee protected
guard
guardianship
icon
lock
padlock
password
patronage
preservation
privacy
protect
protection
reliable
rescue
safe
safeguard
safety
secure
security
sheath
shield
shiny
sign
strong
symbol
tutelage
virus