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

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

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

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

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

Latest Security Bulletins

June 25, 2026

Hacker Wars - June 25, 2026

Your daily dose of infosec chaos Today’s batch features malware that actively fights the AI trying to analyze it, a 10-million-strong browser extension with a nasty secret, and Microsoft quietly …

June 24, 2026

Your daily dose of infosec chaos Today’s roundup has a bit of everything: actively exploited Cisco vulns, AI models finding holes in classified government systems, and supply chain attacks hiding in …

June 23, 2026

Hacker Wars - June 23, 2026

Your daily dose of infosec chaos The quantum apocalypse just got a deadline, healthcare data is leaking again, and someone thought sending VBScripts over WhatsApp was a good business model. Let’s dive …

June 21, 2026

Hacker Wars - June 21, 2026

Your daily dose of infosec chaos Today’s lineup reads like a threat modeler’s worst day: North Koreans poisoning npm packages, an unpatchable hole burned into Apple silicon, AI agents getting hijacked …