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ISL Internet Sicherheitslösungen

ISL Internet Sicherheitslösungen GmbH

Bochum, Germany

Managed SecurityDetection & ResponseIncident ResponsePenetration Testing24/7 SOC
Founded 1999Serves Enterprise, SMB, Public Sector, Critical Infrastructure
Profile last updated: July 31, 2026

About

Founded in 1999, ISL Internet Sicherheitslösungen is a cybersecurity company based in Bochum, Germany working in managed security, detection & response, incident response +7 more.

ISL Internet Sicherheitslösungen GmbH is a German IT security manufacturer based in Bochum. The company develops and operates its own cybersecurity products, including the ARP-GUARD network access control solution, the DTS Cockpit security operations platform and the DTS Identity IAM/CIAM platform. Its services include 24/7 managed security operations through an in-house security operations center, incident response, red teaming and purple teaming, as well as consulting and training. The company positions its solutions as Made in Germany and EU-based, with data processing in Germany and the EU, and supports customers with NIS2, KRITIS and ISO 27001 related requirements. Sales are supported by a network of certified partners in Germany and Europe. The company holds ISO/IEC 27001:2022 certification for its information security management system.

Location

Bochum, Germany

Founded

1999

Company type

Limited company

Legal name

ISL Internet Sicherheitslösungen GmbH

Registration

HRB 17766 (Amtsgericht Bochum)

VAT number

DE201547313

Focus areas

Network Access ControlZero TrustIAMCIAMSecurity Operations CenterMade in GermanyDigital sovereigntyNIS2

Languages

DEEN

Services & products

Security domains

Managed SecurityDetection & ResponseIncident ResponsePenetration TestingOffensive SecurityNetwork SecurityIdentity & AccessEndpoint SecurityOT/ICS SecurityGRC & Compliance

How they deliver

Managed ServicesSoftwareProfessional ServicesConsultingTraining

Operations

Runs a 24/7 security operations centre

Products

ARP-GUARD

NAC

Network Access Control platform that automatically detects, classifies and controls all network devices, known or unknown, to prevent unauthorized access in real time. Available on-premises or as NAC as a Service.

DTS Cockpit

SIEM

Central security operations platform that consolidates existing security solutions, provides transparency, and enables central automated response, monitored 24/7 by the DTS SOC. Includes the Fusion Hub with data collectors and data managers.

DTS Identity

IAM

SaaS-based identity and access management and customer identity management (IAM/CIAM) platform with single sign-on, multi-factor authentication, role-based access control and profile management, delivered from a German certified cloud.

DTS Client

EDR

Vendor-neutral endpoint client providing endpoint telemetry and the ability to isolate compromised devices.

DTS Network Insights

Network monitoring

Passive network-level data collection providing visibility and interaction in the network without vendor-specific flow technologies.

DTS OT Insights

OT/ICS security

Integrates operational technology and production environments into the DTS Cockpit to provide continuous visibility and detection of security-relevant events.

Customers

EnterpriseSMBPublic SectorCritical Infrastructure

Industries served

AutomotiveHealthcareManufacturingFinance

Compliance & partners

Compliance frameworks

NIS2KRITISBSI IT-GrundschutzISO 27001GDPRNIST

Credentials & affiliations

Certifications

ISO/IEC 27001:2022

People

Management & team (1)

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