Reminder: Chrome’s “Incognito” Mode Doesn’t Really Protect Your Privacy
A lawsuit against Google sheds light on the tech giant's private browsing claims, which carve out a lot of exceptions
Tucked into Gizmodo’s latest piece on Texas Attorney General Ken Paxton — who is extremely litigious, under indictment and an election denier, but who also apparently really distrusts Google — is a rather thorough breakdown of what “Incognito” mode is on your web browser.
You might think using Chrome’s Incognito option allows you to browse the web with total anonymity and impunity. In reality, you’re basically just hiding your search history from someone else who’s using the same computer.
“Your private browsing mode only blocks your own browser from recording your traffic and it doesn’t hide your IP,” Nord Virtual Private Network’s Daniel Markuson writes. “It doesn’t encrypt or route your traffic via remote server the way a VPN does. It only erases your browsing history, deletes cookies when you close the browser, and removes the data you enter in online forms. Your ISP, your employer, websites, search engines, governments and other third-party snoopers can still collect your data and track your IP address.”
Gizmodo brings up other research as well: In a 2018 study, 56.3% of participants believed Incognito prevented Google from seeing their search history, 37% thought Incognito could prevent their employer from tracking them and a smaller number thought it protected them from malware. It does none of those things.
Mind you, this criticism applies to Chrome’s Incognito mode (and Google is getting sued over this, not just by Texas). As noted by Electronic Frontier Foundation Staff technologist Bennett Cyphers, private browsing in Firefox or Safari offers a somewhat better experience. “Google offers a pretty decent, dumb way to protect your privacy but it’s not very sophisticated and misses a lot of ways trackers can still collect data and will break functionality on sites that don’t have to be broken if they would have taken a more targeted and sophisticated privacy-protecting approach,” he told Gizmodo.
So, to repeat: Incognito doesn’t do much except obscure your search history. Google offers a pretty broad definition of what private browsing can and cannot do, and the activity and info that still or “might” be visible is pretty long: For example, “A web service, website, search engine or provider may be able to see: Your IP address, which can be used to identify the general area you’re in; Your activity when you use a web service; Your identity if you sign in to a web service, like Gmail.” Oh, and your online activity might remain visible to everything from “websites you visit” or sign in to, to your employer, school, internet service provider and search engine. It doesn’t even work that well if you’re trying to, say, get an extra free article from the New York Times.
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