Platform R3

Threat Actors

Labs

Company

See Ransomware Live

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We’re

Not

Auditors,

We’re

Cytadel simulates real ransomware attacks — live, continuous, and adversary-led. We discover how attackers would break into your network — and stop them before they do.

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Trusted by Top Enterprises Across Industries

Attackers Don’t Wait 12 Months. Neither Should You.

Attackers Don’t Wait 12 Months. Neither Should You.

Your annual security tests are outdated the moment they finish. Cybercriminals constantly evolve their methods—testing new ways to breach your organisation every single day. If your security isn’t proactive, you're leaving your business exposed.

Your annual security tests are outdated the moment they finish. Cybercriminals constantly evolve their methods—testing new ways to breach your organisation every single day. If your security isn’t proactive, you're leaving your business exposed.

​88%

​88%

of surveyed organisations experienced one or more ransomware attacks in the past 12 months.

of surveyed organisations experienced one or more ransomware attacks in the past 12 months.

3%

3%

of organisations globally are adequately prepared to defend against modern cybersecurity threats.

of organisations globally are adequately prepared to defend against modern cybersecurity threats.

Real Attacks Never Stop,

Neither Does Cytadel R3.

Cytadel R3 is the only platform that continuously identifies, tests, and validates your ransomware defences under realistic conditions. No more simulations. This is security testing in real-time.

DISCOVER

hidden attack paths ransomware gangs would exploit.

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CHALLENGE

your defences with realistic ransomware operations.

RESPOND

proactively with continuous security improvements.

Solutions

We Break Security
So Threat Actors Can’t

Our ethical hacking ensures threat actors find
no weaknesses left to exploit.

Red Teaming

Realistic, threat-intelligence-driven attacks that mimic sophisticated adversaries.

Ransomware Resilience

Continuously simulate real-world ransomware attacks to expose and eliminate gaps before threat actors exploit them.

AI Security

Ensure your AI solutions withstand prompt injection, poisoning, and advanced AI attacks.

AI Fraud - Deepfake & Vishing

Prepare your teams to spot and handle AI-driven social engineering threats effectively.

Red Teaming

Realistic, threat-intelligence-driven attacks that mimic sophisticated adversaries.

Ransomware Resilience

Continuously simulate real-world ransomware attacks to expose and eliminate gaps before threat actors exploit them.

AI Security

Ensure your AI solutions withstand prompt injection, poisoning, and advanced AI attacks.

AI Fraud - Deepfake & Vishing

Prepare your teams to spot and handle AI-driven social engineering threats effectively.

Red Teaming

Realistic, threat-intelligence-driven attacks that mimic sophisticated adversaries.

Ransomware Resilience

Continuously simulate real-world ransomware attacks to expose and eliminate gaps before threat actors exploit them.

AI Security

Ensure your AI solutions withstand prompt injection, poisoning, and advanced AI attacks.

AI Fraud - Deepfake & Vishing

Prepare your teams to spot and handle AI-driven social engineering threats effectively.

Red Teaming

Realistic, threat-intelligence-driven attacks that mimic sophisticated adversaries.

Ransomware Resilience

Continuously simulate real-world ransomware attacks to expose and eliminate gaps before threat actors exploit them.

AI Security

Ensure your AI solutions withstand prompt injection, poisoning, and advanced AI attacks.

AI Fraud - Deepfake & Vishing

Prepare your teams to spot and handle AI-driven social engineering threats effectively.

Blog

Insights From the Front Line

Explore our expert analyses and
stay ahead of emerging cybersecurity threats.

News

Retail Cyberattacks: M&S, Co-op, and Harrods Expose Rising Threats in the UK

News

Retail Cyberattacks: M&S, Co-op, and Harrods Expose Rising Threats in the UK

News

Retail Cyberattacks: M&S, Co-op, and Harrods Expose Rising Threats in the UK

News

Retail Cyberattacks: M&S, Co-op, and Harrods Expose Rising Threats in the UK

Insights

Weaponizing AI for Ransomware

Insights

Weaponizing AI for Ransomware

Insights

Weaponizing AI for Ransomware

Insights

Weaponizing AI for Ransomware

Insights

Inside a Real Ransomware Attack

Insights

Inside a Real Ransomware Attack

Insights

Inside a Real Ransomware Attack

Insights

Inside a Real Ransomware Attack

Insights

Why Traditional Security Testing Is Failing

Insights

Why Traditional Security Testing Is Failing

Insights

Why Traditional Security Testing Is Failing

Insights

Why Traditional Security Testing Is Failing

Explore blog

🎙️ Hacked Daily
The First AI Cybersecurity Podcast

🎙️ Hacked Daily
The First AI Cybersecurity Podcast

The FIRST AI-Driven Cybersecurity Podcast, made exclusively for CISOs, Executives and Technology enthusiasts.
Make Hacked dAily part of your Morning Routine.
Your daily dose of Breaking Cybersecurity News. Exploring Cyber Attacks, Data Breaches, Ransomware & AI Attacks.

The FIRST AI-Driven Cybersecurity Podcast, made exclusively for CISOs, Executives and Technology enthusiasts.
Make Hacked dAily part of your Morning Routine.
Your daily dose of Breaking Cybersecurity News. Exploring Cyber Attacks, Data Breaches, Ransomware & AI Attacks.

Tune in Now

Tune in Now

Trusted by Top Enterprises Across Industries

Testimonials

Trusted to Deliver Results

Discover how we've transformed cybersecurity across organisations and industries.

  • I highly recommend Manit for his exceptional Red Teaming and Purple Teaming services aimed at driving cyber maturity within organizations. Manit Previously led the Penetration Testing and Red Team at the Bank of England.

    David Ferguson

    Deputy CISO

    Bank of England

    Overall, Cytadel has been an indispensable partner in our cybersecurity journey. Their expertise, professionalism, and dedication to excellence have significantly contributed to our security successes. I can highly recommend Cytadel for their outstanding services and unwavering commitment to helping organizations achieve their security goals.

    Steven Ramsden

    CISO

    Global Fund, United Nations

    Through collaboration with Cytadel, our clients proactively strengthened their cybersecurity defenses and are now better prepared for the evolving threat landscape. I endorse Cytadel and Manit personally to any organization seeking to enhance their security resilience.

    Dimitris Pallis

    Director

    Hakflow

ROI Calculator

How Much Would a Ransomware Attack Cost You?

Use our ROI Calculator to see the real financial impact of ransomware — and how R3 pays for itself before the first breach.

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Use the ROI Calculator

Book a Call

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