arrow-down

SIG9. YOUR INFOSEC OCCULTISTS.

Protecting the unseen, securing the unknown.



We are an infosec consulting firm in Zurich.

Schedule a consultation.

Expertise

  • Software & Infrastructure Design
  • IT Security Audits, Pentests & Code Reviews
  • Bitcoin, Blockchain Technology & Web3
  • Key Ceremonies & Secrets Management
  • Blockchain Intelligence

Trusted by

user-thumb-one

Unicrow is the first trust-minimized, censorship-resistant and permissionless escrow protocol.

user-thumb-one

VAF Compliance is a virtual asset forensic services provider based and licensed in Dubai, UAE.

user-thumb-one

Neptune is a new privacy and scalability focused L1 blockchain that leverages cutting edge zero-knowledge proof cryptography.

user-thumb-one

Enso is a unified DeFi API to interact with all DeFi primitives conveniently.

Latest Security Bulletins

June 12, 2026

Hacker Wars - June 12, 2026

Your daily dose of infosec chaos Friday’s serving up a buffet of breaches, zero-days, and creative new ways to abuse government infrastructure. From ShinyHunters going after university data to someone …

read more
June 11, 2026

Hacker Wars - June 11, 2026

Your daily dose of infosec chaos Thursday is serving up the usual mix: a 450k-record university breach, two more actively exploited CVEs to patch before the weekend, and GitHub finally turning off the …

read more
June 9, 2026

Hacker Wars - June 09, 2026

Your daily dose of infosec chaos Happy Tuesday. If you were hoping for a quiet start to the week, sorry to disappoint - today’s lineup features VPN zero-days, Chrome getting pwned for the fifth time …

read more
June 8, 2026

Hacker Wars - June 08, 2026

Your daily dose of infosec chaos Monday kicks off with a bang: threat actors are showing up at your office door, SolarWinds is back in the spotlight (yes, again), and your VS Code extensions just got …

read more