Skip to content

Latest research: Read the advisory

  • 200+

    CVEs published

  • 10+

    senior experts running and verifying every engagement

  • Millions

    of websites affected by our disclosures

Why teams choose Starfish

  • Expert-led

    Researchers behind 200+ CVEs run every engagement and verify every finding themselves. No false positives, no scanner noise.

  • Working proof

    Every finding ships with a working exploit or proof-of-concept and a clear fix. No theoretical risk, no severity-score hand-waving.

  • Fast delivery

    Expert-verified findings and working exploits reach you as the work happens, not after weeks of waiting for a final report.

  • Convenient pricing

    Senior-researcher quality without the boutique-consultancy invoice. Clear, scoped, no surprises.

How we work

From scope to working exploit. Run by our experts at every step.

  1. Scope

    We map your attack surface and agree on rules of engagement.

  2. Attack

    Our experts attack your systems the way a real adversary would, chaining real vulnerabilities into working attack paths.

  3. Prove

    Our researchers validate every finding and ship a working proof-of-concept. No noise, no theoretical risk.

  4. Report & retest

    Clear, prioritized remediation guidance delivered fast, then we verify the fixes.

What we do

  • Penetration Testing

    Expert-led, exploit-focused testing of web apps, APIs, and infrastructure. Every finding is run and verified by senior researchers and delivered fast, with a working exploit and clear, cost-effective scoping.

    • Web applications
    • APIs
    • Mobile (iOS / Android)
    • External network
    • Internal network
    • Cloud (AWS / Azure / GCP)
    • AI & LLM applications
  • Vulnerability Research

    Zero-day research and responsible disclosure on the platforms you depend on. 200+ CVEs and counting.

  • Red Team / Adversary Simulation

    Objective-based, stealth engagements that emulate a real attacker's full kill chain.

  • Security Consulting

    Secure-design review, threat modeling, and on-call expertise for your team.

  • Exploit Development Support

    We build reliable proof-of-concept and working exploits to validate risk and support your remediation.

Proof, published.

We don't just claim skill. It's in the public record: 200+ CVEs and counting.

Showing the 6 most severe of 249 published CVEs on record.

View our research

The founders behind the platform

Three offensive-security researchers who built Starfish and still run every engagement. One standard: prove it.

OSWE
= OffSec Web Expert
CPTS
= Certified Penetration Testing Specialist (Hack The Box)
SRT Hero
= Synack Red Team, Hero tier
SRT
= Synack Red Team member

Ready to see what an attacker sees?

Book a scoping call. We'll tell you honestly where you stand, and quote you clearly.