N-Stalker Web Application Security Scanner is available for sale in two licensing models:

Perpetual License Model

This is a software license agreement that provides user with the right to retain a copy of a valid N-Stalker Web Application Security Scanner for an undetermined period or until the end of product’s life is reached. It is ideal for corporations/professional that demand continuous assessment of their own (or their client’s) Web applications.

To continue receiving updates and upgrades, customer is required to maintain a yearly software maintenance subscription (Web Security Intelligence Service).

Perpetual License model always includes gratuitous 1-Year of Web Security Intelligence Service.

The renewal rates of the Web Security Intelligence Service correspond to around 20% of product’s full price for the Enterprise and  to 40% for the Infrastructure Edition. These values are calculated on the license’s list price in force at the quarter in which service validity expires.

N-Stalker software maintenance/update service must be renewed within 60 days from its expiry date (valid only for the perpetual license model).

Maintenance/update service can only be renewed in multiples of 1 year. The starting date of Web Security Intelligent Service is always the date when the product was firstly purchased.

Web Security Intelligence Service will guarantee the following: Technical Upgrades, Updates for N-Stealth Web Attacks Signature Database(TM), future releases, add-on modules and complete Technical Support.

Renewal of N-Stalker software maintenance/update service only applies to the perpetual license model.

Annual Subscription License Model

It is a flexible license model that allows customers to use N-Stalker for a period of one (1) year like a service. After subscription period is over, N-Stalker Scanner should be removed from the installed machine otherwise service must be extended for another period by means of a new subscription. It is the ideal license for short term projects/duties.

To continue using N-Stalker Web Application Security Scanner Annual Subscription customer must purchase a new subscription for another period.

Annual Subscription License always includes the benefit of Web Security Intelligence Service.

Annual Subscription Licenses can be purchased for minimum of 1-year period and can only be extended in multiples of 1 year.

During Subscription period, Web Security Intelligence Service will guarantee the following: Technical Upgrades, Updates for N-Stealth Web Attacks Signature Database(TM), future releases, add-on modules and complete Technical Support.

Notes:

License does not require one dedicated machine and may be moved from one computer to another according to customer needs. If you require running N-Stalker simultaneously on more than one machine, you should acquire additional licenses (contact us for special volume prices).

License can be managed automatically inside the application or via Customer Center(https://customer.nstalker.com). All licenses, products and technical documentation are delivered electronically.