~/talks

Evan Johnson

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titleconferencedate
Radical Results: A Security Org's Version of Radical CandorBSidesSF 20252025-04-26
Repurposes Radical Candor into a team-level quadrant with axes vibes vs effectiveness and a plotted-dot tool (ejcx.dev/radicalresults) to score projects…
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Startup Security, 2nd EditionBSidesSF 20242024-05-04
Actionable checklist for the first security hire: spend the first 30 days building relationships, 60 days planning and iterating, 90 days shipping a tangible…
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FaJITa: Verifying Optimizations on Just-In-Time ProgramsPriSC 20232023-01-21
FaJITa is a translation validator that checks semantic equivalence of JavaScript functions after Firefox JIT optimizations by combining symbolic execution with…
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MSWasm: Soundly Enforcing Memory-Safe Execution of Unsafe CodePOPL 20232023-01-15
Extends Wasm with segmented memory and unforgeable handles that carry colored provenance, a formal semantics, and a proof that well-typed MSWasm modules are…
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Implementing Zero TrustAuthenticate 20222022-10-17
Company moves from single-VPN choke point to a Zero Trust stack, handling ~36 million HTTP requests/sec and ~124 billion blocked attacks/day, by productizing…
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Isolation without Taxation: Near-Zero-Cost Transitions for WebAssembly and SFIPOPL 20222022-01-16
Paper claims that adding static invariants lets sandboxed code use simple function calls instead of heavyweight wrappers, and implements this end-to-end. A…
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Managing Secrets in Your Cloud EnvironmentBSidesSF 20182018-04-15
Central recommendation: stop putting credentials in code and centralize. Hands-on solutions compared: HashiCorp Vault (dynamic creds, but operationally heavy…
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Misconfigured CORS and why web appsec is not getting easierAppSecUSA 20162016-10-11
Claims a concrete fault: scanned the Alexa 1 million and finds about 1,000 sites reflecting the Origin header plus Access‑Control‑Allow‑Credentials true…
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