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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

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

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

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

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

Latest Security Bulletins

May 13, 2026

Hacker Wars - May 13, 2026

Your daily dose of infosec chaos Patch Tuesday dropped like a bad habit this week, and Microsoft is serving up zero-click Outlook vulns like it’s 2016 all over again. Meanwhile, healthcare data keeps …

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May 12, 2026

Hacker Wars - May 12, 2026

Your daily dose of infosec chaos Supply chain attacks are having a banner week, SAP admins are losing sleep, and your car might be snitching on your driving habits. Grab your coffee and let’s dive in. …

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May 11, 2026

Hacker Wars - May 11, 2026

Your daily dose of infosec chaos Today we’ve got supply chain attacks hitting security tools, a Linux vuln with a familiar dirty name, and malware getting creative with blockchain. Again, if you …

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May 8, 2026

Hacker Wars - May 08, 2026

Your daily dose of infosec chaos Today’s theme: everything is on fire, and some of it is your fault. We’ve got a Linux kernel zero-day with a PoC already in the wild, a security vendor getting pwned …

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