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What do VPNs really protect on Mac computers and what are their limits?

An overview of macOS privacy realities: while built-in protections secure Apple devices, they do not prevent online tracking by ISPs or advertisers.

Proton VPN leads PCMag's Mac rankings for features and consistency, but developers and users should keep tool limitations in mind regarding malware, phishing, and authentication safeguards.


Advertisers, websites, and ISPs can track activity and collect data just from browsing. ISPs, in fact, often leverage this data for financial gain. While using modern encryption connections prevents data from being intercepted on public networks, it doesn't stop the ISP from recording your activity.

This is where connection obfuscation tools, known as VPNs, come in. These programs redirect internet traffic through remote servers and encrypt the data, making it unreadable to third parties. At the same time, they hide the user's real location, making the traffic appear to come from another part of the world. This feature is often used to access content from other countries, although entertainment platforms are constantly trying to block such connections, with the results constantly changing.

However, there are significant limits to what such a tool can protect against. A login obfuscation program cannot block malware, stop phishing attacks via fake emails or websites, or prevent passwords from being stolen if they are leaked in data breaches. Separate security software is required to protect devices from malicious programs, while password managers and multi-factor authentication are recommended to prevent account compromise. Furthermore, changing your location does not guarantee complete anonymity, as surveillance companies have many other methods of recording.

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When looking for such a tool for a Mac computer, one should pay attention to whether it works harmoniously with the Apple system, offers the ability to connect multiple devices simultaneously, has a clear privacy policy, and is easy to use from the start.

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