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ISL Internet Sicherheitslösungen GmbH

Bochum, Germany

Managed SecurityDetection & ResponseNetwork SecurityIdentity & Access24/7 SOC
Founded 1999Serves Enterprise, SMB, Public Sector, Critical Infrastructure
Profile last updated: August 6, 2026

About

Founded in 1999, ISL Internet Sicherheitslösungen GmbH is a cybersecurity company based in Bochum, Germany working in managed security, detection & response, network security +3 more.

ISL Internet Sicherheitslösungen GmbH is a German IT security software vendor based in Bochum. Under the DTS brand it develops and operates its own security products: ARP-GUARD for agentless network access control and Zero Trust network access, the DTS Cockpit security operations platform with a 24/7 SOC service, and DTS Identity for identity and access management and customer identity management. The company also offers consulting, purple teaming, red teaming, incident response and cyber risk management services, and works with a sales partner network in Germany and Europe. Its products and services are positioned around digital sovereignty, with data hosted in Germany and the EU. The company supports customers in meeting NIS2, KRITIS and related compliance requirements. It serves enterprises, public authorities and critical infrastructure operators, and its SOC is run from four EU locations.

Location

Bochum, Germany

Founded

1999

Company type

Limited company

Registration

HRB 17766 (Amtsgericht Bochum)

VAT number

DE201547313

Focus areas

NACZero TrustSOCMDRIAMCIAMPurple TeamingRed TeamingDigital SovereigntyMade in GermanyNetwork Security

Languages

DEEN

Services & products

Security domains

Managed SecurityDetection & ResponseNetwork SecurityIdentity & AccessIncident ResponseOffensive Security

How they deliver

Managed ServicesSoftwareConsulting

Operations

Runs a 24/7 security operations centre

Products

ARP-GUARD

Network Access Control

Agentless network access control that detects, classifies and controls all devices on a network, including unknown ones, and enforces policy-based network access decisions in line with a Zero Trust model.

DTS Cockpit

Security operations platform

Central security operations platform that consolidates existing security solutions, provides transparency, and enables automated response, monitored 24/7 by an in-house SOC.

DTS Identity

Identity and access management (IAM/CIAM)

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

DTS Client

Endpoint data manager

Client-based neutral data manager for endpoint information and isolation.

OT Insights

OT/ICS security

Add-on providing visibility into production environments.

Network Insights

Network monitoring

Add-on providing transparency and monitoring of the network.

Customers

EnterpriseSMBPublic SectorCritical Infrastructure

Industries served

Public AdministrationCritical Infrastructure

Compliance & partners

Compliance frameworks

NIS2KRITISNISTISO 27001ISO 27799DIN EN 80001-1IT-GrundschutzB3SGDPR

Credentials & affiliations

Certifications

ISO/IEC 27001:2022

People

Management & team (1)

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