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📰 Dev.to · jaryn

29 articles · Updated every 3 hours · View all reads

All Articles 177,976Blog Posts 163,976Tech Tutorials 47,481Research Papers 34,915News 22,323 ⚡ AI Lessons
Audit an AI Coding Agent's Network Egress Before It Gets a Shell
Dev.to · jaryn 💻 AI-Assisted Coding ⚡ AI Lesson 1mo ago
Audit an AI Coding Agent's Network Egress Before It Gets a Shell
An AI coding agent in your dev environment holds three things at once: your source code, your...
Audit Your AI Dev Tool's Data Boundary Before You Paste Real Code Into It
Dev.to · jaryn 🛠️ AI Tools & Apps ⚡ AI Lesson 1mo ago
Audit Your AI Dev Tool's Data Boundary Before You Paste Real Code Into It
Last month I watched a teammate paste a stack trace into a hosted AI assistant. The trace contained...
Stop Slopsquatting With a CI Gate, Not a Better Prompt
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Stop Slopsquatting With a CI Gate, Not a Better Prompt
A coding assistant proposes pip install requests-utils-pro at 09:41. By 09:43 the dependency is in a...
"Make Agent Confidence Metadata, Not Authorization"
Dev.to · jaryn 🤖 AI Agents & Automation ⚡ AI Lesson 1mo ago
"Make Agent Confidence Metadata, Not Authorization"
"A YAML risk policy and authorization fixtures keep GitHub Issues agent controls from becoming a permission bypass."
Threat-Model a Connected Health Dashboard With Consent-Boundary Tests
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Threat-Model a Connected Health Dashboard With Consent-Boundary Tests
Turn a health-data connection into explicit assets, trust boundaries, abuse cases, and negative consent tests before launch.
Contain an AI Benchmark Breach With Four Independent Security Boundaries
Dev.to · jaryn 🛡️ AI Safety & Ethics ⚡ AI Lesson 1mo ago
Contain an AI Benchmark Breach With Four Independent Security Boundaries
Turn the July 21 Hugging Face incident into enforceable containment boundaries and regression fixtures.
Block SSRF Redirect Chains Before Your URL Fetcher Reaches Private Networks
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Block SSRF Redirect Chains Before Your URL Fetcher Reaches Private Networks
Build a URL-fetch policy that validates every resolved address and every redirect hop instead of trusting the first URL.
Put code-review-graph Behind a Read-Only MCP Boundary Before Connecting Your Repository
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Put code-review-graph Behind a Read-Only MCP Boundary Before Connecting Your Repository
A concrete least-privilege gate for evaluating a trending local-first code graph without turning repository context into tool authority.
Kimi K3 Open Weights Are Coming-Run This 10-Minute Supply-Chain Gate First
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Kimi K3 Open Weights Are Coming-Run This 10-Minute Supply-Chain Gate First
A security readiness checklist for evaluating K3 open weights before letting them into your inference pipeline.
Reject Image Polyglots After EXIF Removal, Before They Reach Your CDN
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Reject Image Polyglots After EXIF Removal, Before They Reach Your CDN
Treat metadata removal as one upload-security check, not proof that an image contains only image data.
Treat Copilot Code-Review Instructions as Untrusted Policy Input
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Treat Copilot Code-Review Instructions as Untrusted Policy Input
Threat-model repository review instructions after GitHub expanded Copilot code-review customization.
Verify Webhook Signatures Before Your Proxy Rewrites the JSON
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Verify Webhook Signatures Before Your Proxy Rewrites the JSON
Preserve raw request bytes, reject replay, and prove that semantically identical JSON is not signature-identical.
Kimi K3's 2.8T Parameters Are Not a Self-Hosting Plan—Use This Readiness Gate
Dev.to · jaryn 🤖 AI Agents & Automation ⚡ AI Lesson 2mo ago
Kimi K3's 2.8T Parameters Are Not a Self-Hosting Plan—Use This Readiness Gate
Turn Kimi K3's announced scale, context window, and planned weights release into an evidence-based self-hosting decision.
Build a Prompt-Injection Regression Fixture for CodeQL 2.26.0
Dev.to · jaryn 📰 AI News & Updates ⚡ AI Lesson 2mo ago
Build a Prompt-Injection Regression Fixture for CodeQL 2.26.0
Turn CodeQL's new AI prompt-injection detection into a stable repository security contract with positive, negative, and SARIF assertions.
Reproduce an OAuth Refresh-Token Rotation Race With Two Requests
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Reproduce an OAuth Refresh-Token Rotation Race With Two Requests
A small concurrent test exposes whether refresh-token rotation has atomic replacement, bounded reuse handling, and safe token-family revocation.
Turn Google DeepMind's AI Control Roadmap Into Five Agent Security Tests
Dev.to · jaryn 🤖 AI Agents & Automation ⚡ AI Lesson 2mo ago
Turn Google DeepMind's AI Control Roadmap Into Five Agent Security Tests
Convert a new defense-in-depth roadmap for increasingly capable agents into repository-level tests teams can run before granting tools and credentials.
Audit BYOK Model Endpoints Before Your AI Agent Gets the Key
Dev.to · jaryn 🤖 AI Agents & Automation ⚡ AI Lesson 2mo ago
Audit BYOK Model Endpoints Before Your AI Agent Gets the Key
A BYOK form is a trust-boundary decision. Audit endpoint identity, credential scope, runtime delegation, and egress before an agent can send prompts.
Audit an AI Coding CLI Before It Uploads Your Home Directory
Dev.to · jaryn 💻 AI-Assisted Coding ⚡ AI Lesson 2mo ago
Audit an AI Coding CLI Before It Uploads Your Home Directory
A practical outbound-data threat model and test procedure for coding agents with filesystem and network access.
Threat-Model an MCP Server as a Privileged API Gateway
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Threat-Model an MCP Server as a Privileged API Gateway
Map MCP tools to concrete authority, validate arguments, bind approvals to exact calls, and log evidence without leaking secrets.
Stop Mass Assignment Before It Reaches Your Authorization Layer
Dev.to · jaryn 🔐 Cybersecurity ⚡ AI Lesson 2mo ago
Stop Mass Assignment Before It Reaches Your Authorization Layer
Replace object spreading with an explicit mutation contract, field-level authorization, and tests that prove sensitive API fields stay unchanged.