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