Chrome on Android behaves the same way the researcher described (fingerprinting works in Incognito tabs), but Chrome, Opera, Firefox, and IE on Windows all get different IDs.
HSTS Super Cookies
31–40 of 56 posts
Re: HSTS Super Cookies
#32> The impact is that it's possible for a site to track you even if you choose to use "incognito" or "private" browsing features in an effort to avoid such tracking. I've always thought that (despite user hopes) the point of 'private' browsing was explicitly and only to avoid leaving traces on the user's computer anyway. (For example, I used it when shopping for Christmas presents.) The Firefox new private window has…
Re: HSTS Super Cookies
#33Re: HSTS Super Cookies
#34Re: HSTS Super Cookies
#35fwiw, though Firefox is listed in there as "leaks across private mode", I get an entirely new ID when I open a private window. v34.0.5
Re: HSTS Super Cookies
#36It sounds like HTTPS Everywhere is overlapping functionality with HSTS. Is there some way that HTTPS Everywhere could just inject HSTS rules rather than looking up every URL and rewriting it before sending a request?
Re: HSTS Super Cookies
#37Re: HSTS Super Cookies
#38https://cyberlaw.stanford.edu/files/publication/files/tracki...
FTA: "A website can encode a globally unique pseudonymous device identifier into any stateful web technology so long as it persists at least log2 n bits, where n is the number of Internet-connected devices (presently roughly 5 billion, requiring 33 bits)."
Re: HSTS Super Cookies
#39> The impact is that it's possible for a site to track you even if you choose to use "incognito" or "private" browsing features in an effort to avoid such tracking. I've always thought that (despite user hopes) the point of 'private' browsing was explicitly and only to avoid leaving traces on the user's computer anyway. (For example, I used it when shopping for Christmas presents.) The Firefox new private window has…
Many people use it to spawn what is effectively a "guest session" in which they can log into some site with account B when they're already normally logged in with account A, without having to log out of account A. Or, similarly, to temporarily deactivate such things as Google's per-user search results personalization. Sites that leak credentials into such "guest sessions" break their usage for such purposes. (In fact…
Re: HSTS Super Cookies
#40>However, unlike cookies, existing HSTS flags are still shared with sites when using "incognito" or "private" windows. fwiw, though Firefox is listed in there as "leaks across private mode", I get an entirely new ID when I open a private window. v34.0.5