When Is Data "Public"? (And 2.5M Public Factual Records in HIBP)
When is data "public"? And what does "public" even mean? Does it mean it's merely visible to the public? Or does it mean the public can do anything they like with it? This discussion comes up time and time again as it did with the huge leak of PDL data only last month [https://www.troyhunt.com/data-enrichment-people-data-labs-and-another-622m-email-addresses/] . For the most part, the impacted data in this incident came from LinkedIn, a service where by design we (including myself) publish perso...