alarm
alert
banner
bell
card
check
cloud
credit
danger
detected
envelope
eye
failure
fatal
flag
flat
glasses
hat
icon
id
infected
key
laptop
lcd
malware
mark
megaphone
monitor
padlock
pattern
piracy
protection
safe
safety
secure
security
security system
set
shield
sign
software
style
symbol
threat
tower
virtual
warning
web
website
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