英文關鍵字
defense
data
base
line
symbol
cyber
security
system
technology
software
application
padlock
password
information
protection
from
virus
developing
threat
antivirus
hacker
digital
thief
key
attack
database
encrypt
confidential
fraud
internet
problem
program
trojan
policy
code
server
fire
tool
folder
crime
binary
coding
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
color