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Overview
Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
News
Device Bound Session Credentials lands in Chrome on macOS
Device Bound Session Credentials (DBSC) is Chrome's answer to session cookie theft, usually by InfoStealer malware. Instead of a cookie being a bearer token that works anywhere it's pasted, DBSC binds the session to a private key that lives in your device
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Everything I Learned Shipping Device Bound Session Credentials
We shipped Device Bound Session Credentials at Report URI, open-sourced the server-side implementation, and then discovered a long list of things the specification doesn't prepare you for.Some caused random logouts. One could deadlock a browser tab indefi
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Connection Allowlist: a network firewall, built into the browser
Connection Allowlist is a new browser security mechanism that lets a document declare, up front, the exact set of destinations it's permitted to open network connections to. Anything not on the list is blocked by the browser before the connection leaves t
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Top 1 Million Analysis - June 2026: The State of Crypto
This is part two of the ten-year anniversary Top 1 Million Analysis. Part one covered the broad state of the web - HTTPS, the security headers, cookies, email and DNS hygiene. This part is the bit I've been most excited to write: a focused look at the cry
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Top 1 Million Analysis - June 2026: Ten Years of Web Security
It's been a long time since the last one of these! The previous Top 1 Million Analysis was way back in June 2022, and a lot has happened since then. But there's a much bigger reason to dust off the crawler and publish another report: this year marks ten y
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