Lonkero_
Wraps around your attack surface
Professional-grade scanner for real penetration testing.
Fast. Modular. Rust.
>Features_
Finds real issues, not false alarms
Prevents data breaches
Finds ways attackers could steal data from your database or inject malicious code into your site.
Protects logins
Tests if logins can be bypassed, if password handling is secure, and if session management works correctly.
Checks APIs
Scans API endpoints and ensures no one can access data they shouldn't have access to.
Knows your stack
Recognizes the technologies you use (Next.js, Django, Laravel, etc.) and tests their known issues.
Finds outdated code
Detects outdated JavaScript libraries and other components with known security issues.
Meets compliance Enterprise
Automatically reports according to OWASP Top 10, PCI DSS, GDPR and other standards.
>Knows your tech
Lonkero detects what technologies you use and only tests what's relevant
Frontend
React, Next.js, Vue, Angular, Svelte
Backend
Django, Laravel, Express, Rails, FastAPI
Servers
Nginx, Apache, Cloudflare, AWS
Databases
PostgreSQL, MySQL, MongoDB, Redis
>Pricing_
Choose the plan that fits your needs
- Unlimited scan targets
- 81 modules (+ advanced)
- PDF report templates
- Commercial use allowed
- Unlimited scan targets
- 94 modules (+ cloud)
- Multiple users
- Commercial use allowed
- Unlimited scan targets
- 121 modules (all)
- Custom integrations
- Commercial use allowed
>Download Lonkero_
Loading latest version...
>Install Browser Extension_
Real-time vulnerability scanning directly in your browser. XSS detection, form fuzzing, GraphQL testing, CMS scanning — all in one extension.

> Installation Guide_
Follow these steps to install in 60 seconds
Download & extract
Click the download button above, then extract to a permanent folder.
Open Extensions page
Navigate to chrome://extensions or Menu → Extensions → Manage Extensions.
Enable Developer Mode
Toggle "Developer mode" in the top-right corner.
Load the extension
Click "Load unpacked", select the extracted folder.
>Frequently Asked Questions_
Answers to common questions
>Get Started_
Three steps to security testing
Scan
lonkero scan https://example.com
Smart scanning - auto-detects your tech stack
Report
lonkero scan https://example.com -o report.html
HTML, PDF, JSON, CSV or any format you need
>What Lonkero Finds
Data Breaches
SQL injections, XSS vulnerabilities, data leaks and other attacks that steal your data
Login Flaws
Weak passwords, bypassable logins, misconfigured JWT tokens
Server Issues
Outdated software, wrong settings, missing security patches
API Problems
Open endpoints, missing permission checks, overly broad access
Config Errors
Missing HTTPS, wrong CORS rules, weak encryption settings
Known Vulnerabilities
CVE database issues in Next.js, Django, Laravel and other frameworks
>Report Formats
SARIF support integrates directly with GitHub Security and GitLab SAST
>Why Lonkero?
>Contact Us_
Send us a message, we'll respond soon
>Contact Information_
Email, GitHub and company details
Company Info
Bountyy Oy
Business ID: 3454257-5



