Company lists · Data refreshed October 2026

Top 18 Data breach detection software companies based in the United Kingdom

RevenueBase identified 59 company matches for data breach detection software companies associated with the United Kingdom as of October 2026 and tracks 837 professional contacts across them, including 253 with verified work emails. London is the largest hub.

This list covers company matches for data breach detection software companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 19, 2026 How this list was built
59Companies
837Contacts tracked
253Verified emails
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The 18 largest data breach detection software companies based in the United Kingdom

Ranked by team size
Top 18 of 59 company matches for data breach detection software companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-200162 contacts →

Exact match

“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20097 contacts →

Exact match

“Dedicated to securing the networks society depends on.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchBournemouth, United KingdomHQ recorded Oct 19, 202651-20068 contacts →

Exact match

“We help businesses and individuals stay protected in an increasingly complex digital world.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20061 contacts →

Exact match

“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchCheltenham, United KingdomHQ recorded Oct 19, 202651-20044 contacts →

Exact match

“CoreTech is a specialist cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-20038 contacts →

Exact match

“CYJAX is an award-winning technology company and provider of digital threat intelligence services to international corporations, law enforcement agencies and the public sector.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchEdinburgh, United KingdomHQ recorded Oct 19, 2026201-50038 contacts →

Exact match

“We are Adarma, independent leaders in detection and response services.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchStevenage, United KingdomHQ recorded Oct 19, 202651-20032 contacts →

Exact match

“Defense.com is transforming the way businesses manage cyber security by allowing them to easily identify, prioritise and remediate threats.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchNorthampton, United KingdomHQ recorded Oct 19, 202611-5025 contacts →

Exact match

“4Secure is a trusted provider of software defined, cross-network/cross-domain cybersecurity solutions for commercial, government and defence.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchBerkshire, United KingdomHQ recorded Oct 19, 2026201-50018 contacts →

Exact match

“Why Clearswift?”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchNewbury, United KingdomHQ recorded Oct 19, 202611-5015 contacts →

Exact match

“CyberHive protects the most valued organisations, their people data, and assets, with patented technology that is simple, secure and performant.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchReading, United KingdomHQ recorded Oct 19, 202611-5013 contacts →

Exact match

“Assuria provides trusted cyber security software solutions and managed security services that power Security Operations Centres, IT Protective Monitoring services and IT Assurance…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchReading, United KingdomHQ recorded Oct 19, 202611-506 contacts →

Exact match

“Rebasoft is a UK based Software and Services company, founded in 2009 and produces software solutions for the Cyber Security market space.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-105 contacts →

Exact match

“Automate the boring.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchTheale, United KingdomHQ recorded Oct 19, 20261-105 contacts →

Exact match

“Vigilant helps organisations mitigate and protect against insider threats.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-103 contacts →

Exact match

“Seedata.io detect attackers by luring them to disclose their presence, turning their own techniques against them.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-2002 contacts →

Exact match

“Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-102 contacts →

Exact match

“BreachAware® is a software service that provides organisations across the world with advanced analysis of compromised assets within data breaches to support the prevention of…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 18 of 59 data breach detection software companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 253 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data breach detection software companies based in the United Kingdom at a glance

As of Oct 19, 2026
30.2%Verified-email coverage
14.2Average contacts per company
11-50Median size (employees)
47.5%Largest-city concentration · London
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
19
51-200
10
201-500
3
501-1,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 59 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “data breach detection software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 253 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Data breach detection software companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data breach detection software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data breach detection software companies are there based in the United Kingdom?

RevenueBase identified 59 company matches for data breach detection software companies associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Deepcytes Cyber Labs UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data breach detection software companies?

London leads with 28 company records, followed by Bournemouth (2) and Cheltenham (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 253 professional contacts with verified work emails tracked across these 59 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.