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Field Notes

Browser security research without the fluff.

Deep dives for security engineers, privacy leads, and zero-trust teams. Start with the latest drop or filter by what you need.

Security researchPrivacy engineering11 articles
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Jan 15, 2026
Privacy Engineering17 min readJan 15, 2026

All Web3 Wallets Are Private? (They're Not. Here's Why.)

The myth that Web3 wallets provide privacy is dangerously wrong. Learn how RPC providers, browser fingerprinting, and address clustering expose your identity despite decentralization.

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11 posts
Privacy EngineeringJan 15, 2026

Why Privacy in Crypto Wallets Matters More in 2026

Most crypto wallets leak metadata through RPC providers, browser fingerprinting, and address clustering. Learn why structural privacy differs from optional settings.

14 min readRead
Security ResearchJan 15, 2026

Browser Isolation for Law Firms: Protecting Attorney-Client Privilege in a Digital World

Law firms are high-value targets for cyberattacks. Learn how browser isolation protects confidential case files, maintains attorney-client privilege, and keeps your practice compliant.

12 min readRead
Privacy EngineeringDec 10, 2025

The VPN Ban Is Coming: Here's What You Stand to Lose

1.8 billion people rely on VPNs daily. Now governments want them gone. Here's what that means for your streaming, travel, privacy, and freedom.

12 min readRead
Security ResearchNov 18, 2025

Your Encrypted AI Conversations Aren't as Private as You Think: Inside the Whisper Leak Attack

Microsoft researchers reveal Whisper Leak, a side-channel attack identifying AI chatbot conversations with 99.9% accuracy despite encryption. Learn how isolation defends against metadata leaks.

22 min readRead
Security ResearchNov 15, 2025

Why 60% of Small Businesses Shut Down After a Cyberattack (And How to Not Be One)

60% of small businesses shut down within 6 months of a cyberattack. Here's why they fail and how browser isolation ensures you're in the 40% that survive.

8 min readRead
Security ResearchNov 15, 2025

Browser Isolation vs VPNs: Why the Future of Security Isn't About Tunnels

VPNs encrypt traffic, but 60% of breaches start in the browser. Learn why browser isolation is replacing VPNs as the zero trust standard for web security.

10 min readRead
Security ResearchNov 14, 2025

Your Data Is Already Out There: Why Even Security Experts Aren't Safe

24 billion credentials on the dark web. 68% of breaches start with human error. Learn why even security experts aren't safe and how browser isolation stops credential theft at the source.

9 min readRead
Security ResearchNov 8, 2025

Stop Using Incognito Mode for Security. It Doesn't Work.

Incognito mode doesn't protect you from malware, phishing, or tracking. Here's what it actually does—and what you need instead for real browser security.

12 min readRead
Privacy EngineeringNov 6, 2025

The Cookie Conspiracy: How Websites Track You (And How Browser Isolation Stops It)

The truth about cookie tracking, price discrimination myths, and why browser isolation is the only real solution to invisible surveillance across the web.

11 min readRead
Security ResearchNov 6, 2025

How Legba's Browser-Native Isolation Actually Protects You: A Technical Deep Dive

A technical deep dive into how Legba's browser-native isolation actually works—from edge-based execution to ephemeral containers to threat-by-threat protection.

15 min readRead