About LinuxGuard

Built to map the unmapped Linux identity layer

LinuxGuard shows who can do what on every Linux host, who did what, and where privilege drifts. Identity and security practitioners built it to make least privilege practical on modern infrastructure.

Why LinuxGuard exists

LinuxGuard exists to give every organisation complete visibility into their Linux identity posture — every identity, every privilege, every connection, known, governed, and continuously assured.

Linux is the foundation of the modern enterprise. It deserves the same rigour applied to every other critical system.

Our Mission

How we work

The principles that guide everything we do

We work alongside our clients — not above them
Every engagement is a collaboration. We show clients what we find, explain why it matters, and build the fix with them — not for them.
We never ship compliance theatre
If a control doesn't reduce real risk, we won't recommend it. Our pilots surface what's actually exposed, not what looks good in a report.
We report what we find
Part of the Linux identity layer sits outside what existing dashboards show. We tell you what is there, including the uncomfortable parts.
We were built for Linux, not adapted to it
LinuxGuard was designed from the ground up for Linux IAM. Every feature reflects how Linux infrastructure actually works — not how a generic tool assumes it does.

The founders

The founders behind LinuxGuard, and the practitioner experience the platform is built on.

Peter Cummings is the Founder & CTO of LinuxGuard, a cloud‑native platform built to solve a problem he has spent more than two decades fixing inside global enterprises: unmanaged Linux identity and privilege that quietly becomes a critical blind spot. He is the person organisations call when thousands of Linux servers underpin core services, but no one can clearly answer “who can do what, where, and why?”.

Starting his career compiling open‑source stacks on early Linux web servers (and learning the hard way what a single rm -rf / as root can do), Peter moved from building systems to securing them. He went on to lead identity, access, and infrastructure security programmes for highly regulated organisations across banking, payments, life sciences, energy, and government.

His most formative work came at Mastercard, where he redesigned Linux authentication and authorisation for a global payments infrastructure, and at Lonza, where he rebuilt a fragmented IAM function into a modern, automated, and audit‑ready platform. Similar roles at UBS, ING, SEB, BEC and others gave him a repeatable playbook for making Linux identity both visible and governable without slowing the business down.

LinuxGuard is the productised version of that playbook. It combines a lightweight agent, an opinionated least-privilege model for Linux, and an identity graph engine that makes privilege relationships explicit instead of implicit. Customers can use it through a fixed‑scope 60‑day Founding Pilot that delivers audit‑ready evidence, or deploy the platform directly to keep Linux estates under continuous control—without locking themselves into a vendor monoculture.

Peter couples this practitioner background with formal training in machine learning, data‑driven decision‑making, and entrepreneurship, including postgraduate study in Machine Learning and AI, programmes at MIT, Oxford, and Wharton, and a track record as a startup CTO. He is an active voice in practitioner communities where identity, infrastructure, and automation meet, and brings a global perspective from hands‑on engagements across Europe, North America, and Africa. Peter is a KuppingerCole speaker on identity and access management.

John Skitt

John Skitt

Co-Founder & CEO

John leads go-to-market strategy, sales operations, and partnership development at LinuxGuard.

With over 12 years in B2B SaaS across North America and Europe, he specialises in taking technical security products into regulated industries — financial services, critical infrastructure, and the public sector. Before LinuxGuard, John built and scaled GTM functions for early-stage companies navigating complex enterprise sales cycles.

He focuses on making the case for Linux identity security simple, credible, and actionable for the buying committee — from CISO to compliance lead.

Advisory board

Identity, security and business leaders who have built and scaled security companies

Hila Meller
Hila Meller
Advisory Board Member

Hila Meller is a board member, strategic advisor and angel investor with more than 20 years of experience scaling technology and cybersecurity companies across international markets. She was President and Chief Revenue Officer at iC Consult and at Fingerprint Cards, Managing Director of Global Security Sales at BT, and held senior leadership roles at Hewlett Packard Enterprise and CA Technologies. She has served on the boards of Safe Security and the Israel-Britain Chamber of Commerce and co-founded Leading Cyber Ladies, a community advancing women in cybersecurity leadership.

Benjamin Nathan
Benjamin Nathan
Advisory Board Member

Benjamin Nathan is a cybersecurity leader and strategic advisor with more than 25 years of experience building technical go-to-market organisations across Europe, the Middle East, Africa and Latin America. He is Senior Manager of Sales Engineering for Southern Europe at Securiti AI, a Veeam company, covering data and AI security. He previously led sales engineering and professional services at Saporo, ran global technical enablement at BigID, and spent close to fourteen years at Varonis as Director of Sales Engineering for EMEA and Emerging Markets, following a decade at Microsoft in product management and partner development.

Milestones so far

Key milestones in our mission to secure Linux infrastructure

September 2025

LinuxGuard launched

Launched to close the visibility gap in Linux, with near-real-time monitoring of identities, privileges and compliance drift. (LinuxGuard Ltd was incorporated on 14 July 2025.)

Q1 2026

Certified with Red Hat and SUSE, validated with Ubuntu

LinuxGuard validated across the three major enterprise Linux distributions — Red Hat Enterprise Linux, SUSE Linux Enterprise, and Ubuntu — confirming platform compatibility and security posture across the broadest Linux estates.

April 2026

Closed Beta Launch of LinuxGuard Insights

Launched the closed beta of LinuxGuard Insights, bringing continuous, near-real-time monitoring of Linux identities and security to technology providers.

September 2026

Launch of the Founding Pilot

Launched the fixed-scope Founding Pilot — mapping every privilege path, identity, and compliance gap across enterprise Linux infrastructure with audit-ready deliverables.

Get in touch

Want to see how LinuxGuard fits into your Linux security strategy?

London, United Kingdom