activity
black
burglar
burglary
communication
computer
confidential
crime
criminal
dark
desk
digital
electronic
email
encryption
firewall
hack
hacker
hood
internet
laptop
males
man
men
monitor
mystery
network
night
one
pc
people
person
phishing
privacy
programmer
protection
safety
security
spy
spyware
stealing
technology
theft
thief
threats
tools
typing
unrecognizable
working