SONAR (Symantec Online Network for Advanced Response) was the behavioral monitoring aspect. It didn't look for known viruses; it looked for bad behavior . If a program tried to delete system files or log your keystrokes, SONAR would kill the process, even if the program wasn't in the virus dictionary.
Visually, NIS 2014 was a sleek departure from older, clunky designs. It utilized a dark theme with bright, neon green accents. The main dashboard was organized into advanced "tiles" that showed security status, CPU usage, and license details. It was intuitive enough for casual users but offered deep settings for techies who wanted to fine-tune their firewall rules. norton internet security suite 2014