Ofri Peretz

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Technical deep-dives on security, ESLint plugins, and AI-native development. Published across multiple platforms.

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The 30-Minute Security Audit: Onboarding a New Codebase
DEV.TO
ofri-peretzOfri Peretz
Dec 31, 2025

The 30-Minute Security Audit: Onboarding a New Codebase

How to assess a new codebase in under 30 minutes using automated security linting. Perfect for acquisitions, new hires, or CTOs inheriting legacy code.

#security #javascript #eslint
10 6 861 2m
Featured
eslint-plugin-import vs eslint-plugin-import-next: Up to 100x Faster
DEV.TO
ofri-peretzOfri Peretz
Jan 2, 2026

eslint-plugin-import vs eslint-plugin-import-next: Up to 100x Faster

We benchmarked both plugins on 10,000 files. The no-cycle rule shows up to 100x improvement. Full reproducible methodology.

#eslint #javascript #performance
0 0 65 3m
Featured
The Security Engineer Interview Cheat Sheet for JavaScript Developers
DEV.TO
ofri-peretzOfri Peretz
Dec 31, 2025

The Security Engineer Interview Cheat Sheet for JavaScript Developers

Landing a security-focused role? Here are the 15 JavaScript security concepts interviewers actually ask about—with code examples.

#career #security #javascript
0 0 55 3m
Featured
Why eslint-plugin-import Takes 45 Seconds (And How We Fixed It)
DEV.TO
ofri-peretzOfri Peretz
Dec 31, 2025

Why eslint-plugin-import Takes 45 Seconds (And How We Fixed It)

Linting 10k files dropped from 45s to 0.4s. Here is the performance gap in eslint-plugin-import and the fix.

#javascript #eslint #performance
0 0 26 2m
Featured
Your ESLint Security Plugin is Missing 80% of Vulnerabilities (I Have Proof)
DEV.TO
ofri-peretzOfri Peretz
Dec 20, 2025

Your ESLint Security Plugin is Missing 80% of Vulnerabilities (I Have Proof)

A comprehensive head-to-head comparison of eslint-plugin-secure-coding vs eslint-plugin-security with full methodology, test files, and results.

#security #javascript #eslint
0 0 25 5m
The N+1 Insert Loop That Slowed Our API to a Crawl
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ofri-peretzOfri Peretz
Jan 2, 2026

The N+1 Insert Loop That Slowed Our API to a Crawl

50ms per insert × 1000 rows = 50 seconds. Here's how to detect and fix N+1 loop patterns in PostgreSQL.

#postgres #performance #node
1 3 156 2m
The JWT Algorithm "none" Attack: The Vulnerability in 1 Line of Code
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ofri-peretzOfri Peretz
Dec 31, 2025

The JWT Algorithm "none" Attack: The Vulnerability in 1 Line of Code

One misconfiguration lets attackers forge any JWT. Here is the attack, the CVE, and the ESLint rule that catches it.

#security #jwt #node
1 0 76 2m
Your Vercel AI SDK App Has a Prompt Injection Vulnerability
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ofri-peretzOfri Peretz
Dec 19, 2025

Your Vercel AI SDK App Has a Prompt Injection Vulnerability

How to detect and prevent prompt injection in generateText, streamText, and other Vercel AI SDK functions using automated ESLint security rules

#vercel #ai #security
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3 Lines of Code to Hack Your Vercel AI App (And 1 Line to Fix It)
DEV.TO
ofri-peretzOfri Peretz
Dec 31, 2025

3 Lines of Code to Hack Your Vercel AI App (And 1 Line to Fix It)

Prompt injection is the #1 vulnerability in AI apps. Here is how attackers exploit it and how ESLint catches it.

#ai #security #vercel
0 0 66 2m
search_path Hijacking: The PostgreSQL Attack You've Never Heard Of
DEV.TO
ofri-peretzOfri Peretz
Jan 2, 2026

search_path Hijacking: The PostgreSQL Attack You've Never Heard Of

A dynamic search_path lets attackers hijack your SQL queries. Here's how this obscure attack works and how to prevent it.

#postgres #security #eslint
0 0 60 2m
100% OWASP LLM Top 10 Coverage for Vercel AI SDK
DEV.TO
ofri-peretzOfri Peretz
Dec 19, 2025

100% OWASP LLM Top 10 Coverage for Vercel AI SDK

A complete mapping of OWASP LLM Top 10 2025 categories to automated ESLint rules for the Vercel AI SDK

#ai #security #owasp
0 0 60 3m
Getting Started with eslint-plugin-nestjs-security
DEV.TO
ofri-peretzOfri Peretz
Jan 2, 2026

Getting Started with eslint-plugin-nestjs-security

NestJS security in 60 seconds. 5 rules for guards, validation, and rate limiting.

#nestjs #eslint #security
0 0 58 2m
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