A prefix that means computer or computer network, as in cyberspace, the electronic medium in which online communication takes place.
1. freedom from danger, risk, etc.; safety.
2. freedom from care, anxiety, or doubt; well-founded confidence.
3. something that secures or makes safe; protection; defense.
Cybersecurity (First recorded in 1985–90)
computing the state of being safe from electronic crime and the measures taken to achieve this