Cyber security
Threat modelling, control design and hands-on hardening across your network, endpoints, identity estate and cloud accounts.
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CyberMarrow Infosec
Security that holds up
Security that holds up
when it is tested.
We are a security and software engineering firm. We harden the systems you already run, modernise the ones holding you back, and build the ones you have not written yet — with the same people accountable end to end.
15+Clients across four continents
4.6/5Average client rating
<1 dayResponse to every enquiry
What we do
Five practices, one accountable team
Most firms sell you a specialism and hand off the rest. We keep the engineers who assessed your systems on the team that fixes them.
Software development
Product teams that ship. Web, API and data platforms built to a security standard from the first commit, not retrofitted before launch.
Read more →Application modernisation
Break the monolith deliberately. We decompose to services, contain workloads and move you onto a platform your team can actually operate.
Read more →DevOps & platform
Pipelines, infrastructure as code and release automation that turn deployment from an event into a routine.
Read more →Specialised services
Product engineering, cloud services, compliance as code, security audits, architecture review, staff augmentation and delivery management.
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Security solutions
Controls that get deployed, not diagrammed
Every engagement ends with something running in your environment, owned by your team, with the runbook written. We do not leave a slide deck behind and call it delivery.
Identity & access management
Least privilege that survives contact with a real org chart. SSO, MFA, joiner-mover-leaver automation and quarterly access review.
SIEM integration
Log sources, parsers and detection rules tuned to your estate — so the alerts that fire are the ones worth waking someone for.
Data loss prevention
Classify what matters, then enforce it across email, endpoints and SaaS without grinding the business to a halt.
Application security testing
SAST, DAST and dependency scanning wired into CI, with triage that separates the real findings from the noise.
Penetration testing
Scoped, evidence-led testing of applications, networks and cloud, reported with reproduction steps and a fix order.
Custom solution development
Where nothing off the shelf fits: bespoke tooling, integrations and automation built around your constraints.
How we work
A short path from first call to shipped work
Discovery call
Thirty minutes. You describe the problem and the constraints; we tell you plainly whether we are the right firm for it.
Assessment
A short, paid review of the systems in scope. You get a written findings note with severity, effort and a recommended order of work — useful whether or not you continue with us.
Delivery
A named team, two-week increments, a demo at the end of each. Scope changes get priced before they get built.
Handover
Runbooks, architecture notes and a working session with your engineers. If you need us to stay on, that is a decision, not a dependency.
Next step
Tell us what is keeping you up
Book a 30-minute call and we will give you a straight read on the problem — the scope, the likely effort, and whether it is worth doing at all. No pitch deck.