Cybersecurity

4. Threatens to publish or blocks access to data or a computer system
6. Short for malicious software
7. The practice of tricking Internet users through the use of deceptive email messages or websites

1. A network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules
2. A malicious attempt to disrupt the normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a flood of Internet traffic.
3. A type of malicious software, or malware, that spreads between computers and causes damage to data and software.
5. A way of scrambling data so that only authorized parties can understand the information.