About CounterShadow
We want to revolutionise Security Operations Centers through advanced AI automation. By addressing the cybersecurity talent shortage, alert fatigue, and increasingly sophisticated threats, we are empowering SOC teams to achieve unprecedented efficiency and effectiveness in threat detection and response.
Founded in London - Built globally
Our mission is simple: To save our customers from damaging cyber threats.
We want to revolutionise Security Operations Centers through advanced AI automation. By addressing the cybersecurity talent shortage, alert fatigue, and increasingly sophisticated threats, we are empowering SOC teams to achieve unprecedented efficiency in threat detection and response.
Alert queues are exploding while talent pools shrink. SOC teams are stretched thin. CounterShadow exists to give them breathing room by delivering autonomous triage, investigation, and response.
42k
Avg alerts/day
6x
Analyst churn risk
Operating Principles
We build autonomous security with a human standard for trust. These principles shape how AMI investigates, responds, and communicates.
Honesty
We speak in evidence, not hype. If we cannot prove it, we do not claim it.
Integrity
We hold ourselves to the same standards we defend for customers.
Urgency
We act at attacker speed because minutes matter in a live incident.
Privacy
Least-access by default. Your data stays yours and is used only for defense.
Flexible
We meet customers where they are, supporting deployments that fit their stack and operating model.
Ethical
We operate with accountability and respect, building security that earns trust.
Global Coverage
CounterShadow availability span Asia, the EU, the UK, the US, and the Middle East.
Our People
The team around CounterShadow combines deep cyber, product, and operating experience to build autonomous defense that works in real environments.
Founder & CEO/CPO
Jonathan Zulberg is Founder & CEO/CPO of CounterShadow, bringing more than 20 years of experience in cybersecurity. Previously VP of Innovation, Design and M&A at Exabeam and a long-time leader at LogRhythm, he has led global teams across EMEA and APJ, shaping product strategy and security operations platforms.
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Founder & CTO
Tony Massé is Founder & CTO of CounterShadow, focused on AI-driven security operations. He previously spent nearly 13 years at Exabeam in innovation and DevOps leadership roles, with extensive experience in pre-sales consultancy and technical delivery across EMEA.
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Investor
Tachles VC is an early-stage investor focused on cybersecurity, cloud computing, and AI infrastructure, with a cross-market model spanning Israel, Central Europe, and the United States.
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Investor & Advisor
Tony Pepper is a founder and technology executive, best known as Co-founder and CEO of Egress, a cloud email security company acquired in 2024. He now serves as an angel investor and board member, supporting UK startups.
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Investor & Advisor
Neil Larkins is COO & Co-founder of Egress Software Technologies, where he has held leadership roles since 2007, including CTO. He focuses on privacy, risk management, encryption, and secure collaboration solutions for government and enterprise clients.
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Advisor
James Carder is Chief Information & Security Officer at Benevity with more than 25 years of experience in enterprise security and consulting. Formerly CSO & VP of LogRhythm Labs and Director of Security Informatics at Mayo Clinic, he has led large-scale security programs across corporate and government environments.
LinkedInGet in touch to learn how CounterShadow can help your organisation achieve autonomous cybersecurity operations.
