# How to Vibe Code Your Own Intego (and Stop Paying for It)

> Mac Security & Antivirus Software

- Site: https://intego.com
- Category: Cybersecurity & System Utilities
- Platforms: macOS app, Windows app
- Verdict: **Don't bother** (12/100 vibecodeable)
- Estimated effort: 6+ months of full-time work

## Verdict

Keep paying for Intego. The core requirement of low-level kernel extensions and secure system-level hooks makes a reliable personal clone impossible for a solo builder.

Intego is not a web app or an API wrapper; it is deep, highly privileged system software. Replicating its core value requires writing low-level kernel extensions or utilizing macOS Endpoint Security and NetworkExtension frameworks in Swift/C++. An AI coding assistant will generate broken boilerplate for these components because kernel-level debugging, driver architecture, and OS security sandboxing have fragile feedback loops and require real hardware kernel panics to diagnose. Even if you manage to prototype a basic file scanner script, maintaining a production malware signature database and real-time network packet filter without destabilizing macOS is a multi-year systems engineering undertaking.

### What you can't replicate

- Proprietary malware definitions and threat intelligence database
- Zero-crash system-level kernel extensions and NetworkExtension packet filters across changing macOS versions
- Certified Apple developer identity and deep OS security compliance

## What it does

Specialized cybersecurity, real-time malware protection, two-way firewall, and system optimization suite designed for macOS.

### Core features

- Real-time file-system scanning hooks via kernel extensions
- Two-way network firewall with packet inspection
- Malware definition update and signature database engine
- System cleanup and junk file analyzer
- App-level network traffic monitor
- Quarantine management for suspicious payloads

## The business

### Pricing

- Essential Plan: $39.99/yr — Antivirus and two-way firewall protection for Mac.
- Advanced Plan: $69.99/yr — Antivirus, firewall, and Mac optimization tools.
- Complete Plan: $79.99/yr — Complete security, optimization, and VPN stack.

Founded 1997.
Team size: 1000+ (via Kape Technologies).

## The hard parts

- Writing low-level macOS system extensions (`NetworkExtension` and Endpoint Security framework) without kernel panics
- Curating, indexing, and updating a reliable malware definition threat feed
- Building a performant file watcher that does not destroy battery life or disk I/O
- Handling deep OS permissions, sandbox entitlements, and code signing for system-level daemons

## How to vibe code Intego

### Prerequisites

- Mac computer: Required to test native macOS system extensions and file system hooks.
- Xcode (free): The mandatory IDE for writing Swift, SwiftUI, and low-level macOS system daemons.
- Apple Developer Account ($99/yr): Required to sign system extensions, Endpoint Security clients, and NetworkExtension binaries.
- Cursor (free / $20/mo): AI code editor to scaffold the Swift macOS application shell and UI components.

### Recommended AI tools

- Cursor: Best for iterating on the Swift/SwiftUI desktop user interface and local background service boilerplate.
- Claude Code: Provides terminal-based multi-file editing to handle complex local project structure and build scripts.

### Stack

- Frontend: Swift / SwiftUI (macOS desktop application UI)
- Backend: Swift / C++ (Local background daemon and system daemons)
- Database: Local SQLite (stored in application support for scan history)
- Auth: None (local single-user personal utility)
- Payments: None (personal use only)
- Other: macOS Endpoint Security Framework, macOS NetworkExtension Framework

### Hosting

- Local machine (Runs entirely locally on your Mac with zero cloud infrastructure or server hosting costs.): $0/mo

### Build guide

1. **Scaffold Native macOS Menu Bar and Dashboard Shell** — Set up a native macOS application in Xcode using Swift and SwiftUI with a multi-tab dashboard interface and status item menu bar controller.

```
Create a macOS desktop application project structure using Swift and SwiftUI. Build a main window with a sidebar navigation featuring views for 'Dashboard', 'Antivirus Scan', 'Firewall', and 'Cleanup'. Implement a menu bar status item that toggles protection state between active and paused. Ensure the app uses modern macOS design standards (Sidebar layout, SF Symbols, dark mode support). Write all necessary app lifecycle delegates and view models in pure Swift without external web dependencies.
```

2. **Implement Local SQLite Scan History & Log Engine** — Establish a local SQLite database stored in Application Support to track scan timestamps, file paths checked, and detected threats.

```
Implement a local SQLite database wrapper in Swift using SQLite.swift or native SQLite3 bindings. Create tables for 'scan_history' (id, timestamp, files_scanned, threats_found, duration) and 'quarantine_log' (id, file_path, original_hash, quarantined_at). Write repository functions to insert scan sessions, fetch historical logs for the UI dashboard, and clear logs older than 30 days. Handle file path permissions cleanly within sandbox guidelines.
```

3. **Build File System Scanner and Hash Checking Daemon** — Write a background worker service in Swift that recursively reads directories, computes file hashes, and compares them against a local signature list.

```
Create a background file scanning service in Swift that accepts target directory paths (e.g., Downloads, Documents) and traverses them recursively using FileManager. For each file, compute its SHA-256 hash and compare it against an in-memory array of known test signature hashes (e.g., EICAR standard test strings). Emit Combine publishers or AsyncStreams to report real-time scanning progress, current file path, and matching threat events back to the SwiftUI dashboard.
```

4. **Build Quarantine Manager and File Isolation** — Implement file isolation logic that safely moves malicious or suspicious payloads into a locked quarantine directory.

```
Implement a quarantine management utility in Swift. When a threat file is identified during a scan, create a secure, encrypted or permission-locked folder in Application Support named 'Quarantine'. Move the flagged file to this directory using FileManager while stripping execute permissions. Update the SQLite quarantine log and provide functions in the UI to either permanently delete the file or restore it to its original path.
```

5. **Prototype Network Traffic Monitor via NetworkExtension** — Integrate macOS NetworkExtension framework hooks to monitor active network connections and display live traffic statistics.

```
Write a Swift module leveraging the macOS NetworkExtension framework (`NEFilterProvider` or `NETransparentProxyProvider`) to inspect local socket activity and monitor outgoing network connections. Create a SwiftUI view that lists active connections, destination IP addresses, ports, and associated process names in real-time. Handle authorization requests gracefully and provide clean fallback mock data if system extension entitlements are unavailable during local preview development.
```

6. **Build Disk Cleanup and Junk File Finder** — Develop a disk optimization utility that scans user caches, logs, and trash folders to free up disk space.

```
Create a disk cleanup utility in Swift that scans common macOS junk directories including `~/Library/Caches`, `~/Library/Logs`, and `~/.Trash`. Calculate total sizes for each category, display itemized lists in a SwiftUI view with checkboxes for selection, and implement secure deletion logic to clear selected junk items while preserving system stability.
```

### Cost vs paying

**Starting costs (one-time):**

- Apple Developer Account (required for system extensions): $99/yr
- Cursor Pro: $20
- Total: ~$119 one-time/annual

**Ongoing costs (monthly):**

- Apple Developer renewal: ~$8.25/mo ($99/yr)
- Total: ~$8.25/mo

- Paying for the SaaS instead: $4.16/mo (~$49.99/yr Essential plan)
- Build time: 120-160 hours (systems debugging & native OS integration)
- AI tool credits: $20 (Cursor Pro)
- Break-even: Never (the commercial software is cheaper, safer, and includes real malware updates)

## Sources

- [Intego Official Website](https://www.intego.com)
- [Wikipedia - Intego History](https://en.wikipedia.org/wiki/Intego)
- [Investegate - Kape Technologies Acquisition of Intego](https://www.investegate.co.uk)