We do not mind the use of bots to harvest data from our site, if you obey the following rules:

- please add a contact e-mail address to the User-Agent so we can reach you if your bot causes problems
- limit yourself to 1 request per second
- use our API (see isc.sans.edu/api ) and avoid screen-scraping other pages.

Contact us for bulk downloads of data. If you are a researcher, then please let us know how the data is used. Reference "SANS Internet Storm Center" / https://isc.sans.edu  as the source of the data.

Contact info: jullrich -at- sans.edu