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Articles · 7
PrivSec Lab wrote
Jun 8, 2026 in browser-privacy — Fresh Speedometer 3.0, JetStream 2, and MotionMark numbers on iPhone 15 and 16 — normal mode vs Lockdown Mode. How WebKit's JIT evolved from iOS 16 to iOS 18 and where the trade-off stands today.
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Jun 8, 2026 in browser-privacy — PrivSec Lab pillar report on browser privacy in 2026: fingerprinting state-of-art, Lockdown Mode evolution, browser comparison matrix, DNS hardening, extensions and OS hooks.
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Jun 8, 2026 in browser-privacy — PrivSec Lab technical audit of Safari's anti-tracking stack in 2026: ITP 24 h cookie caps, iCloud Private Relay double-hop limits, Storage Partitioning gaps, and a head-to-head against Brave and Firefox RFP.
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Jun 8, 2026 in browser-privacy — A COMP breakdown of the four serious privacy browsers in 2026: fingerprint defense, Tor mode, telemetry, and which one fits your threat model.
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Jun 8, 2026 in browser-privacy — Four years after its debut against Pegasus, iOS Lockdown Mode has matured across iOS 16, 17, and 18. We track every change, measure 2026 performance on WebKit 18.x, and tell you exactly who should enable it.
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Jun 8, 2026 in browser-privacy — PrivSec Lab deep-dive: every active and passive fingerprinting vector in 2026, entropy estimates from published fingerprinting research, state-of-the-art defenses, and a decision matrix to pick the right browser for your threat model.
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Jul 22, 2022 in browser-privacy — iOS 16 Lockdown Mode disables JIT JavaScript compilation in Safari. Benchmarks on an iPhone 13 mini show a 95% Octane drop and 65% Speedometer hit — with 12 web APIs blocked.
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