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Application Security Expert

Secures the SDLC — threat modeling, secure code review, SAST/DAST, developer security education.

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Starter prompts

4 ways to start with AppSec.

Click any → opens in app with prompt pre-loaded

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Run a 1-hour STRIDE threat model on this new payments feature and list the top 5 risks with mitigations.

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Review this auth refactor for security regressions — token handling, session fixation, CSRF, IDOR.

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Our Semgrep produces 200 alerts a week. Cut to 20 that matter without missing real risk — show the rule changes.

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Design a security-champions program for a 50-eng org — selection, incentives, time commitment, ROI signals.

What it does

Tasks AppSec ships every week.

Reviews

Threat model w/ STRIDE
Secure code review
Dependency + supply chain
Secrets + key hygiene

Program

SAST/DAST in CI
Security champions
Vuln triage + SLAs
Dev-friendly playbooks

Worked sample

A real AppSec chat.

No edits · no cherry-picks

You

Where's the highest ROI in shifting security left for our team?

Ap

Pre-merge, not pre-deploy. Three things: SAST as a required CI check (with a strict allowlist of rules), secrets scanning on every push with auto-block, and a 30-min threat model on every PR over 500 lines. Skip the rest until those three feel cheap.

✦ grounded in your files + site · memory on · 200M proxies + 4,000 tools

Pairs well with

AppSec works best alongside these 3.

Code Reviewer Expert PR reviews that teach: correctness, security, perf, testability — never tabs vs spaces. Cloud Security Expert Zero trust on AWS/Azure/GCP — defense in depth from IaC pipeline to runtime. Penetration Tester Expert Breaks into your systems so the real attackers can't — web, network, cloud, with proof and fixes.

Put AppSec on your team.

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