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Software Development Company

Immunity Systems

IT security firm providing penetration testing, red teaming, awareness training and its own defensive tools

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About Immunity Systems

Immunity Systems is a cybersecurity company whose team has offensive and defensive experience in IT security spanning more than ten years. It carries out audits and attack simulations for clients and also builds its own tools.

The site notes that the project is co-funded by an EU programme.

What Immunity Systems offers

  • Security audits and tests — testing of networks, applications and devices.
  • Red teaming and APT simulation — staged attacks that mimic advanced adversaries.
  • Post-breach analysis — investigation after an intrusion.
  • Threat Magnet — a deception system that lets an attacker believe they have reached critical data.
  • Threat Provider — a tool for simulating phishing campaigns and measuring staff awareness.
  • Cyber Security Aware Employee — online training with certification, with on-site sessions for senior management.

Who it works with

Organisations that need help building security into their IT projects and staff training.

Key facts

  • Experience: team with over a decade in IT security
  • Research: development of new attack vectors and defence methods
  • Own products: Threat Magnet, Threat Provider, APT Defend and Phish Sentinel

Profile written by TrustList from the business's own published information, Sep 2026.

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