Secure defence communication and monitoring with SIEM

SIEM Software

SIEM—your cybersecurity ally

Calian’s SIEM is a powerhouse of cybersecurity, blending advanced correlation, big data and machine learning for precise threat detection.

24/7 monitoring

We provide 24/7 monitoring of your network, relying on proprietary automated tools to keep your network safe. If you are attacked, we provide incident response and forensics to recover your data as soon as possible.

Machine learning and analytics

We combine leading-edge threat modelling, dark web monitoring and advanced machine learning to keep you ahead of evolving threats.

Cloud or on-premises

Choose the deployment that suits your needs—have SIEM on-site or opt for the public or private cloud, expertly managed by Calian. Tailored security, your way.

Your assurance in secure communication and data

In every industry we serve, our role is clear—be the silent protector during sophisticated attacks. Our 100% success rate in data recovery, even from ransomware, isn’t a boast. It’s a promise of security and peace of mind for every partner.

44%of business in defence industry
40+years of experience
1M+attacks thwarted

Unparalleled network monitoring and incident response

  • Round-the-clock monitoring with proprietary automated tools designed to fortify your network.
  • Swift and efficient attack response, ensuring minimal downtime and data recovery.

State-of-the-art technology and versatile deployment

  • Host our software on-premises, or let us manage it on a public or private cloud. 
  • We’re equipped with sophisticated forensics techniques to counter threats and mitigate data breaches.

Stay ahead of the curve with uncompromised network security and incident response.

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Modernize your defence operations


Connect with Calian on LinkedIn

Your gateway to defence innovation

Discover the forefront of defence technology and insights by following Calian on LinkedIn. Stay updated with our latest innovations in defence solutions and connect with a community of industry leaders and experts.

We move the world forward

We create, develop and manufacture innovative products, solutions and technologies to solve the worlds most complex challenges.


Social responsibility at Calian

Committed to social responsibility.

ESG—more than a buzzword.

Our vision builds on our mission, values, historical commitment to social responsibility and key competencies. It provides a framework and focus for our activities and corporate communications related to ESG (Environmental Social Governance).

Discover ESG at Calian

Your service inspires us.

Proudly welcoming  100+ veterans to our team every year

Their expertise enriches our solutions, and hiring military spouses is our heartfelt way of giving back to the defence community. We’re committed to being there for you, in and out of uniform.

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Relocating? We’ve got you covered.

3,700+ family members connected with family doctors

Our partnership with the Canadian Forces Morale and Welfare Services ensures that military family members are connected with family doctors, hassle-free.

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Building a resilient defence community together.

$650,000+ in corporate giving

We are woven into the military community’s fabric, our support extending to renowned organizations and causes. We’re not just about business; we are about building a supportive and resilient defence community together.

Upcoming events

Engaging in research that matters.

Our contributions to significant research projects and our focus on environmental safety are unwavering. We’re front-runners in compliance with environmental laws and continually innovate to lessen our ecological footprint.

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Committed to exceeding expectations.

30+ Indigenous community engagements

With a published Indigenous engagement policy, Calian sets out the framework and guidelines for all Calian business activities while being wholly committed to meeting—even exceeding—the five per cent Indigenous participation requirement on all federal contracts.

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Global innovation for connected, safe & healthy lives

Explore Calian's four business units below.

Advanced Technologies

Stay innovative and future-ready with adaptive technological strategies.

IT & Cyber Solutions

Guard your digital assets with state-of-the-art security solutions.


Navigate healthcare with solutions that prioritize your community's well-being.


Empower your team to achieve with targeted training solutions.