Top cybersecurity Startups

I scanned 20,052 apps built with Supabase to see how many were leaking data. Here is the data on why most apps are currently at risk.

About to launch your SaaS? Here’s bare minimum security - diy free, takes a weekend.

Built product for Agent Runtime security and control

Show HN: Security Scanner for Agent Skills and MCP

Show HN: Hexlock – Replace PII in text with fake data that has the same format

Show HN: Free no-signup site auditor – secrets, subdomain takeover, CVEs

Show HN: Throwaway – open-source disposable email checker and API

Show HN: See where your computer connects (TapMap)

Show HN: KeeWebX – KeePass that runs from a double-clicked HTML file

Show HN: Adblock-rust Manager – Firefox extension to enable the Brave ad blocker

Show HN: Stateless, system-wide Transparent Tor Proxy for Linux (v0.1.0)

Show HN: Copy-fail-C – portable C port of CVE-2026-31431, with a checker