Defen.so offers developers instant app security with WAF, scanning, and monitoring

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A developer named '1fancy' has built and open-sourced Defen.so, an application security layer designed to be installed in seconds via a single CLI command. The tool bundles several security features including a managed WAF, SQL injection and XSS protection, bot detection, DDoS mitigation, and file upload checks. It also provides uptime monitoring, real-time attack logs, and alerts through email, Slack, Telegram, and webhooks. Defen.so includes a security scanner that flags exposed secrets, missing headers, and misconfigured cloud permissions common in rapidly built applications. The project is actively in development and targets developers, startups, and small teams who lack dedicated security infrastructure.

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