factually
Index/Organizations/WebKit

WebKit

Browser engine

Fact-Checks

2 results
Dec 21, 2025

What are zero-day exploits and how do they target browsers?

Zero-day exploits are attacks that leverage software flaws unknown to the vendor and therefore unpatched, allowing attackers to operate before defenses exist . Browsers are a favored avenue because th...

Dec 21, 2025

What exactly does the Fire Button remove from webpages on iOS 17 (trackers, cookies, elements)?

There is no authoritative public documentation in the supplied reporting that defines a feature called the “Fire Button” for iOS 17, so its exact behavior—whether it removes trackers, clears cookies, ...