Your computer isn’t yours.
Jeffrey goes on to explain what Apple sees from the process:
Origin 9 to 5 Mac – Deeper look at Apple’s recent server outage reveals potential Mac privacy concerns
from Jeffrey Paul’s Sneak Berlin – Your computer isn’t yours
Because it does this using the internet, the server sees your IP, of course, and knows what time the request came in. An IP address allows for coarse, city-level and ISP-level geolocation, and allows for a table that has the following headings:
Date, Time, Computer, ISP, City, State, Application Hash
This means that Apple knows when you’re at home. When you’re at work. What apps you open there, and how often. They know when you open Premiere over at a friend’s house on their Wi-Fi, and they know when you open Tor Browser in a hotel on a trip to another city.
J. Paul continues by posing the argument many readers might be thinking: “Who cares?” He answers that by explaining that OCSP requests are unencrypted and it’s not just Apple who has access to the data:
1. These OCSP requests are transmitted unencrypted. Everyone who can see the network can see these, including your ISP and anyone who has tapped their cables.
2. These requests go to a third-party CDN run by another company, Akamai.
3. Since October of 2012, Apple is a partner in the US military intelligence community’s PRISM spying program, which grants the US federal police and military unfettered access to this data without a warrant, any time they ask for it. In the first half of 2019 they did this over 18,000 times, and another 17,500+ times in the second half of 2019.
This data amounts to a tremendous trove of data about your life and habits, and allows someone possessing all of it to identify your movement and activity patterns. For some people, this can even pose a physical danger to them
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