Security Blog · Sayver

Do I Need a Developer to Check My AI-Built App?

You built an app with AI and you're not technical — do you need to hire a developer to check it's secure? An honest breakdown of what you can verify yourself, what actually needs an expert, and the middle path most founders should take.

Aug 1, 2026Read →

How Much Does a Data Breach Cost a Startup?

A data breach can be an extinction-level event for a startup. Here's an honest look at the real costs — direct, legal, and reputational — why the headline 'average breach' figures don't map cleanly to small companies, and how little prevention actually costs.

Jul 31, 2026Read →

My App Got Hacked — What Do I Do? A Step-by-Step Response

If your app was just hacked or you suspect a breach, here's a calm, ordered response plan: contain the damage, rotate what's exposed, figure out what was accessed, notify who needs to know, and close the hole so it doesn't happen again.

Jul 30, 2026Read →

The Best AI Coding Tool for Security (Read This First)

Looking for the most secure AI coding tool? The honest answer reframes the question: every AI builder ships the same predictable gaps, so 'best for security' is about your process, not the logo. Here's how to choose and what actually protects you.

Jul 29, 2026Read →

Explainer9 min read

Lovable vs Bolt vs v0: A Security Comparison

How do Lovable, Bolt.new, and v0 compare on security? A fair, practical comparison of where each AI builder tends to leave gaps — and the surprising conclusion about which one is 'most secure.'

Jul 28, 2026Read →

Is Replit Safe? What to Know Before You Ship

Is Replit safe for building and hosting a real app? A practical look at what 'safe' means for Replit — the platform, your secrets, and the security of the app it helps you build — with the checks to run before you go live.

Jul 27, 2026Read →

Is Cursor Safe? A Straight Answer for Founders

Is Cursor safe to build your product with? A candid look at two different questions people mean by it: is the Cursor tool itself trustworthy, and is the code it writes secure — plus what you actually need to do before you ship.

Jul 26, 2026Read →

Explainer9 min read

Prompt Injection Explained (With Examples)

Prompt injection is the most important security risk for any app that uses an LLM. Here's a plain-English explanation of what it is, how direct and indirect attacks work, real examples, and the practical defenses that actually help.

Jul 25, 2026Read →

Explainer10 min read

OWASP LLM Top 10 Explained for Beginners

A plain-English walkthrough of the OWASP Top 10 for LLM Applications: the ten most critical security risks for apps that use large language models, what each one means, and how to defend against them without a security background.

Jul 24, 2026Read →

Slopsquatting Explained: When AI Hallucinates a Package Name

Slopsquatting is a new supply-chain attack born from AI coding: LLMs confidently suggest package names that don't exist, attackers register those names as real malicious packages, and developers install them. Here's how it works and how to avoid it.

Jul 23, 2026Read →

How to Check If Your Supabase Is Secure

A step-by-step audit for your Supabase backend: how to verify Row Level Security is really on, confirm your keys aren't exposed, review your policies, and actually test that one user can't read another's data.

Jul 22, 2026Read →

Guide10 min read

How to Secure a Vibe-Coded App: A Step-by-Step Guide

A practical, ordered guide to securing an app you built with AI coding tools. Seven concrete steps, from locking down your database to testing authorization, that take a vibe-coded app from 'it works' to 'it's safe to launch.'

Jul 21, 2026Read →

Vibe Coding CVE List and the Georgia Tech Vibe Security Radar

A practical explainer on tracking vulnerabilities in AI-built apps: what a 'vibe coding CVE list' really means, how initiatives like the Georgia Tech Vibe Security Radar catalog these issues, and how to check your own app against the common patterns.

Jul 20, 2026Read →

Explainer9 min read

AI-Generated Code Vulnerabilities in 2026: What the Research Shows

What does the research actually say about vulnerabilities in AI-generated code in 2026? A plain-English look at the common flaw types, the widely-cited numbers, and the practical steps to ship AI-built code safely.

Jul 19, 2026Read →

Vibe Coding Statistics 2026: Adoption and Security by the Numbers

The most-cited vibe coding statistics for 2026 in one place: how many people build with AI tools, how much AI-generated code ships to production, and what the research says about its security. Sourced and dated so you can cite them.

Jul 18, 2026Read →

Case Study9 min read

Is Lovable Safe? What Reported Breaches Tell Us

Lovable builds real apps fast, but reports of a Lovable-built app exposing thousands of users' data put 'is Lovable safe' on every founder's mind. Here's an honest answer: the tool is fine, the missing security controls are the risk, and both are fixable.

Jul 17, 2026Read →

Case Study9 min read

The Moltbook Breach Explained: Lessons for Vibe Coders

The Moltbook incident became the cautionary tale of the vibe-coding era: a founder who reportedly wrote no code, and researchers who found huge numbers of exposed API tokens and emails within days of launch. Here's what reportedly happened and how to avoid it.

Jul 16, 2026Read →

Checklist9 min read

Bolt.new Security Checklist Before You Launch

A Bolt.new security checklist for founders shipping fast. Bolt.new generates real backend code, which means real backend risk. Here are the checks to run before you put your Bolt app in front of users.

Jul 15, 2026Read →

Cursor App Security Guide: Ship Your App Safely

A practical Cursor app security guide. Cursor writes great code fast, but it won't add auth, rate limiting, or RLS unless you ask. Here's how to secure an app built with Cursor before you launch.

Jul 13, 2026Read →

Checklist9 min read

Lovable Security Checklist: Is Your Lovable App Safe?

A plain-English Lovable security checklist for non-technical founders. The exact gaps Lovable apps ship with — exposed Supabase keys, missing RLS, no headers — and how to fix each one before launch.

Jul 11, 2026Read →

How to read a security score and what to do about it

A security score tells you where you stand, not what to do. Here's how to interpret each finding category, prioritize fixes, and move from a failing score to a clean one.

Jul 9, 2026Read →

What vibe coding gets right and what it gets dangerously wrong

AI coding tools have genuinely changed who can build software. But that speed comes with specific, predictable security gaps that founders need to understand before they launch.

Jul 7, 2026Read →

Why we chose AST over regex for code scanning

Regex finds patterns in text. AST analysis understands what your code is doing. The difference determines whether a scanner catches real vulnerabilities or just strings that look suspicious.

Jul 5, 2026Read →

The difference between a security scan and a penetration test

A scanner runs in minutes and catches the common gaps. A penetration test takes weeks and finds the sophisticated ones. Here's when you need each — and when a scan is enough.

Jul 3, 2026Read →

How Sayver's scanner actually works under the hood

Three distinct scanners, each checking a different layer of your app. Here's exactly what each one does, how findings are scored, and what the numbers mean.

Jul 1, 2026Read →

Why your app passed every check but was still wide open

Passing a security checklist doesn't mean your app is secure. Business logic flaws, IDOR vulnerabilities, and chained exploits don't show up on automated scans.

Jun 29, 2026Read →

Case Study8 min read

What a real credential stuffing attack looks like on a small app

Attackers don't guess passwords — they test millions of known pairs from past breaches. Small apps are targeted because they're assumed to have no defenses.

Jun 27, 2026Read →

Case Study8 min read

The Supabase misconfiguration that exposed 1.5 million records

A service role key in a public environment variable plus RLS disabled. Either one alone is serious. Together they gave any visitor complete read and write access to the database.

Jun 25, 2026Read →

5 things that will get your app hacked in the first month

Exposed service keys, no rate limits, unparameterized queries, unprotected routes, and secrets in git history. Any one of them is enough. Most AI-built apps have all five.

Jun 23, 2026Read →

Your AI coding tool won't tell you about these security holes

Cursor, Copilot, Lovable, and Bolt all optimize for working code — not secure code. These are the five security categories they consistently skip.

Jun 21, 2026Read →

Case Study9 min read

We scanned 100 vibe-coded apps — here's what we found

94% had missing security headers. 71% had Supabase keys in their client bundle. 1 in 4 had a critical finding that could lead to full data exposure. Here's the full breakdown.

Jun 19, 2026Read →

How to set up security headers in Next.js

Security headers tell the browser how to behave when rendering your app. Without them, your users are open to clickjacking, XSS, and MIME-sniffing attacks.

Jun 17, 2026Read →

What happens when your .env file is publicly accessible

A publicly accessible .env file is a skeleton key to your entire infrastructure. Automated scanners find them within minutes of deployment — here's what happens next.

Jun 15, 2026Read →

Checklist8 min read

Vibe coding security checklist before you launch

Six categories every AI-built app needs to pass before going public: authentication, environment variables, headers, database, rate limiting, and monitoring.

Jun 12, 2026Read →

Guide6 min read

How to find if your API keys are exposed in your website

API keys leak into client bundles more often than developers realize. Here's how to check your own site in five minutes using browser DevTools and source inspection.

Jun 10, 2026Read →

What is RLS and why every Supabase app needs it

Row Level Security is the single most important security setting in Supabase. Without it, your anon key — which is publicly visible — can read every row in every table.

Jun 8, 2026Read →

How to secure a Supabase app built with AI tools

Supabase is the default backend for AI builders — which also makes it the most common attack surface. Here's a complete security guide for your Supabase-backed app.

Jun 5, 2026Read →

Most common security mistakes in Lovable, Bolt, and v0 apps

Lovable, Bolt, and v0 all produce similar security gaps. Exposed Supabase keys, no RLS, missing headers, and secrets in git are the four you need to fix first.

Jun 3, 2026Read →