Insights

UK threat-led MDR CYSIAM operates an entirely UK-based, 24/7 threat-led Managed Detection and Response service with a team drawn from military intelligence, law enforcement, and national security. Sales teams can position CYSIAM as a trusted security partner for UK Public Sector and critical infrastructure clients seeking reputable, intelligence-driven threat monitoring.

Public Sector credibility The company explicitly positions itself as trusted by UK public sector organisations due to vetted personnel backgrounds. This presents cross-sell and upsell opportunities to adjacent government agencies and contractor ecosystems that require validated security partners with clearance-ready capabilities.

Strategic partnerships CYSIAM has demonstrated collaboration with industry leaders such as CrowdStrike for their Cyber Defence Operations service. This indicates openness to ecosystem integrations and co-delivery models, suggesting sales potential in hybrid deployments and expanded service baskets with prominent security vendors.

Ransomware protection focus With the launch of CDO service addressing ransomware threats across multiple sectors, there is a clear market emphasis on proactive, intelligence-led defense. This enables cross-selling of endpoint protection, incident response, and continuous monitoring to organisations prioritising ransomware resilience.

Growing but mid-market Revenue range and employee count indicate a mid-market security provider with capability to scale. This creates opportunities to target mid-size organisations and expanding enterprises that require robust MDR with UK-based operations and government-grade expertise, as well as partnerships with similar-sized peers who seek trusted MDR providers.

CYSIAM Tech Stack

CYSIAM uses 8 technology products and services including Atlassian, Unpkg, Craft CMS, and more. Explore CYSIAM's tech stack below.

  • Atlassian
    Application Development & Management
  • Unpkg
    Content Delivery Network
  • Craft CMS
    Content Management System
  • Htmx
    Javascript Libraries
  • Splunk
    Miscellaneous
  • Microsoft Sentinel
    Security
  • 1Password
    Security
  • GoDaddy
    Web Hosting

CYSIAM's Email Address Formats

CYSIAM uses at least 1 format(s):
CYSIAM Email FormatsExamplePercentage
First.Last@cysiam.comJohn.Doe@cysiam.com
94%
First.L@cysiam.comJohn.D@cysiam.com
6%

Frequently Asked Questions

Where is CYSIAM's headquarters located?

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CYSIAM's main headquarters is located at Milton Keynes, England United Kingdom. The company has employees across 3 continents, including EuropeAsiaNorth America.

What is CYSIAM's official website and social media links?

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CYSIAM's official website is cysiam.com and has social profiles on LinkedIn.

What is CYSIAM's NAICS code?

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CYSIAM's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does CYSIAM have currently?

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As of May 2026, CYSIAM has approximately 51 employees across 3 continents, including EuropeAsiaNorth America. Key team members include Head Of Sales: R. R.Head Of National Security & Defence Portfolio: M. G.Head Of Human Resources: A. C.. Explore CYSIAM's employee directory with LeadIQ.

What industry does CYSIAM belong to?

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CYSIAM operates in the Computer and Network Security industry.

What technology does CYSIAM use?

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CYSIAM's tech stack includes AtlassianUnpkgCraft CMSHtmxSplunkMicrosoft Sentinel1PasswordGoDaddy.

What is CYSIAM's email format?

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CYSIAM's email format typically follows the pattern of First.Last@cysiam.com. Find more CYSIAM email formats with LeadIQ.

When was CYSIAM founded?

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CYSIAM was founded in 2018.
CYSIAM logo

CYSIAM

Computer and Network SecurityEngland, United Kingdom51-200 Employees

CYSIAM provides an entirely UK-based, threat-led 24/7 Managed Detection and Response service. It serves UK public sector organizations as a trusted security partner, supported by a team with backgrounds in military intelligence, law enforcement, and national security. The service relies on an intelligence-led approach to help organizations operate securely in the digital age and mitigate risks to critical systems and data.

The company is based in Milton Keynes, England, and operates within the computer and network security industry as a mid-sized firm. In 2021, CYSIAM launched its Cyber Defence Operations service and announced a collaboration with CrowdStrike to support it.

Section iconCompany Overview

Headquarters
Milton Keynes, England United Kingdom
Website
cysiam.com
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    CYSIAM's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    CYSIAM's revenue is estimated to be in the range of $1M$10M

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