By default, your community supplier and the web sites you go to accumulate some info once you browse the net, reminiscent of your DNS (Area Title System) information and your gadget’s IP handle. Add net cookies to the combo, and this info makes it too straightforward to construct and observe an in depth profile of your on-line identification — together with your precise location and looking historical past. Exploitative advertisers search for that particular private information to fine-tune their ad-targeting ways.
On this context, that is how Personal Relay intends to guard you, based on Apple. With the characteristic enabled, Safari sends your net requests by way of two separate “hops” or web relays: The primary relay is a proprietary proxy server, and the opposite is an unnamed “third-party content material supplier.” Once you use Safari, your information is encrypted after which despatched to Apple’s proxy server, at which level the DNS request and your gadget’s IP handle are separated.
Your IP handle stays seen to Apple’s proxy server and your community supplier, however your DNS information are encrypted. That is handed on to a second relay which decrypts the vacation spot web site handle, swaps your IP handle for a pretend one, and connects you to the location.
Because of this Apple may have particulars of your IP handle however not your DNS information, and the opposite companion may have DNS particulars, however not your IP handle (so they can’t pinpoint your identification or location). Neither Apple, nor your community supplier or the vacation spot web site, has enough information to appropriately determine you on-line.