Hank: No doubt there is a massive amount of information that can be gathered from in-box telemetry. This thread appears to be more focused on providers gathering data from traffic in flight across their infrastructure.
Thank you jms On Fri, May 19, 2023 at 8:49 AM Hank Nussbacher <h...@efes.iucc.ac.il> wrote: > On 19/05/2023 15:27, Justin Streiner wrote: > > It amazes me how people can focus on Netflow metadata and ignore things > like Microsoft telemetry data from every Windows box, or ignore the > massive amount of html cookies that are traded by companies or how > almost every corporate firewall or anti-spam box "reports" back to the > mother ship and sends tons of information via secret channels like > hashed DNS lookups just to be avoided. > > Regards, > Hank > > > There are already so many different ways that organizations can find > > out all sorts of information about individual users, as others have > > noted (social media interactions, mobile location/GPS data, call/text > > history, interactions with specific sites, etc), that there probably > > isn't much incentive for many providers to harvest data beyond what is > > needed for troubleshooting and capacity planning. Plus, gathering > > more data - potentially down to the level packet payload - is not an > > easy problem to solve (read: expensive) and doesn't scale well at all. > > 100G links are very common today, and 400G is becoming so. I doubt > > that many infrastructure providers would be able to justify the major > > investments in extra infrastructure to support this, for a revenue > > stream that likely wouldn't match that investment, which would make > > such an investment a loss-leader. > > > > Content providers - particularly social media platforms - have a > > somewhat different business model, but those providers already have > > many different ways to harvest and sell large troves of user data. > > > > Thank you > > jms > >