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Nestor Security

Nestor Security BV

Haren, Netherlands

GRC & CompliancePenetration TestingSecurity AwarenessData Protection
Serves SMB, Enterprise, Public Sector
Profile last updated: August 24, 2026

About

Nestor Security is a cybersecurity company based in Haren, Netherlands working in grc & compliance, penetration testing, security awareness +1 more.

Nestor Security is a Dutch information security consultancy focused on a risk-based, pragmatic approach to IT security and compliance. Its services cover ISO 27001, NEN 7510, ISO 42001 and ISAE 3402/3000 implementation, internal audits and certification support, and NIS2 and Cyberbeveiligingswet compliance including gap analyses, scoping, and board training. It also provides outsourced roles such as CISO as a Service, Data Protection Officer (Functionaris Gegevensbescherming) as a Service and Security Officer as a Service. Penetration testing is delivered by ethical hackers, sometimes in cooperation with a specialist partner, and the company offers Cyber Security Scans, phishing campaigns and awareness training. Its clients include healthcare organisations, IT and energy SMEs, non-profits and public bodies. The company operates from Haren and Groningen, and its consultants are certified auditors and security professionals.

Location

Haren, Netherlands

Company type

Private company

Legal name

Nestor Security BV

Registration

KVK 82814457

VAT number

NL862613498B01

Focus areas

ISO 27001NIS2NEN 7510ISO 42001penetration testingsecurity awarenessCISO as a ServiceDPO as a Service

Languages

NL

Services & products

Security domains

GRC & CompliancePenetration TestingSecurity AwarenessData Protection

How they deliver

Professional ServicesConsultingTraining

Products

Cyber Security Scan

Security assessment

Free scan giving an overview of the main security risks and threats for an organisation.

Datamasker

Data masking

Anonymises personal data in test environments so testing can be done without exposing personal data.

Customers

SMBEnterprisePublic Sector

Industries served

HealthcareFinancial ServicesLocal GovernmentITEnergyNon-profit

Compliance & partners

Compliance frameworks

NIS2CyberbeveiligingswetISO 27001ISO 27701ISO 42001NEN 7510NEN 7512NEN 7513ISAE 3402ISAE 3000BIOAVGEU AI ActDORA

Technology partners

WarpnetPerium

People

Management & team (16)

+ 12 more

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