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▸ Engineering & Strategy Journal

Field notes from the edge.

What our engineers learned this week. Hands-on technical deep-dives, postmortems, and strategy frameworks.

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Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser
FeaturedAI
Security· 1 min read

Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser

Security researchers at Nebula Security disclosed CVE-2026-10702, a high-severity Firefox JIT (Just-In-Time compiler) vulnerability that enables arbitrary code execution through a single malicious webpage visit, requiring no user interaction. The flaw affected both Firefox and Tor Browser, with Mozilla addressing it in Firefox version 151.0.3. The zero-click nature of the exploit makes it particul

UT
Utopia Tech·Jul 29, 2026
Firefox 152 understands “Sssh!”AI
Industry

Firefox 152 understands “Sssh!”

Firefox 152 introduces enhanced tab audio management with quick mute commands, experimental JPEG XL support, and improved tab-sharing capabilities across devices. The release comes as Google Chrome continues phasing out Manifest V2 extensions, potentially disadvantaging ad-blocking functionality. Mozilla's rapid release cycle and new public roadmap demonstrate active development commitment to main

UTUtopia Tech·2 min
Firefox integrates an ad-blocker, but not to block adsAI
Industry

Firefox integrates an ad-blocker, but not to block ads

Firefox 149 has quietly integrated Brave's Rust-based ad-blocking engine (adblock-rs) into its codebase, but the feature is disabled by default and not intended for consumer ad-blocking purposes. Mozilla appears to be experimenting with the technology for other use cases, while the privacy-focused Waterfox browser fork is actively testing the same engine as a built-in ad-blocker. Users can manuall

UTUtopia Tech·2 min
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