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The feature promised to deliver customized experiences while also safeguarding your privacy a potentially winning combination.
But how does the Personal Data Engine work and can you trust it to keep your data safe?
The whole thing is managed with an encryption key.
This lets your phone analyze and make use of sensitive information while keeping it away from prying eyes.
Galaxy AI can securely search your overall activity, not just individual apps.
Samsung goes so far as to protect the engine using post-quantum cryptography.
That is, its theoretically resistant to quantum computing hacking attempts where conventional encryption would easily collapse.
The Galaxy S25sNow Brieffeature also leans heavily on the Engine.
Natural language AI photo searches also make use of the technology, Samsung says.
Youll likewise see photo highlights from memorable days.
Do you need Samsungs Personal Data Engine?
In short: not necessarily.
Depending on the app or service, your data might already be reasonably private.
Many apps encrypt data and only release it under limited circumstances.
On-unit AI processing is already becoming more commonplace on competing devices, for that matter.
However, that doesnt mean Samsung is wasting its time.
The technology also helps raise the bar for AI privacy on mobile devices.
In the short term, that could discourage you from switching to rival devices without such support.
Still, it provides a safety net that simply didnt exist before.
