Nessus Licence Online

is a free version designed for students, educators, and hobbyists. Scope: Limited to scanning up to 16 IP addresses .

A separate product for large teams. It uses or Tenable.sc licenses (per asset) and allows multiple scanners. Not a direct upgrade from Nessus Pro. nessus licence

Includes the same core scanning engine and high-speed discovery as paid versions but lacks professional support, compliance auditing, and unlimited scanning. is a free version designed for students, educators,