# bi-sec GmbH

> bi-sec is an IT and information security company based in Ellhofen near Heilbronn, Germany. The company supports organizations with technical security testing, Microsoft 365 and Azure security, security monitoring, consulting, and training.

Primary website: [bi-sec.de](https://www.bi-sec.de/). Language: German; selected services and reports are also available in English. Contact: [info@bi-sec.de](mailto:info@bi-sec.de) | +49 7134 534 3960.

## Core services

- [Penetration testing](https://www.bi-sec.de/penetrationstest/): Flexible, pragmatic penetration tests for applications, services, and systems
- [Threat-Led Penetration Testing (TLPT)](https://www.bi-sec.de/threat-led-penetration-testing/): Threat-led tests for digital resilience and DORA requirements
- [Vulnerability scanning](https://www.bi-sec.de/schwachstellenscans/): Prioritized vulnerability findings with actionable remediation guidance
- [Microsoft 365 security](https://www.bi-sec.de/m365-sicherheit/): Hardening and security analysis for Entra ID, Exchange, Teams, and SharePoint
- [Microsoft 365 Security Monitoring as a Service](https://www.bi-sec.de/m365-security-monitoring-service/): Continuous Microsoft 365 security monitoring with expert review
- [Security Monitoring with Wazuh](https://www.bi-sec.de/security-monitoring-wazuh/): Logging and security monitoring for Windows and Linux aligned with ISO 27001, NIS 2, and DORA; optional automated response and SOC operations
- [Your added value (Ihr Mehrwert)](https://www.bi-sec.de/ihr-mehrwert/): Customer outcomes from bi-sec services — visibility, faster detection, secure cloud use, secure development, and compliance
- [Azure security](https://www.bi-sec.de/azure-security/): Identity, network, and workload security for Microsoft Azure
- [Logging, alerting, and threat hunting](https://www.bi-sec.de/logging-alarmierunng-threat-hunting/): Assume-breach detection using logging, alerting, and proactive hunting
- [Email security assessment](https://www.bi-sec.de/e-mail-sicherheit/): Realistic evaluation of phishing and malware protection for email
- [Windows security](https://www.bi-sec.de/windows-sicherheit/): Hardening and security assessment for Windows environments
- [DevSecOps](https://www.bi-sec.de/devsecops/): Integrating security checks into build and deployment pipelines
- [Phishing simulations](https://www.bi-sec.de/phishing-simulation/): Controlled phishing campaigns to improve awareness and defenses
- [IT security training and workshops](https://www.bi-sec.de/ikt-schulungen-trainings/): Practical IT security trainings for technical teams and decision makers

## Expertise and trust

- [Company and management](https://www.bi-sec.de/unternehmen/): Team, credentials, and approach of bi-sec
- [References and projects](https://www.bi-sec.de/referenzen/): Selected customer and project references
- [Security knowledge and articles](https://www.bi-sec.de/blog/): Technical blog posts on Microsoft 365, Azure, DORA, and more
- [Contact](https://www.bi-sec.de/kontakt/): Contact form, phone, and location in Ellhofen near Heilbronn

bi-sec works with organizations ranging from small businesses to international enterprises. Expertise includes application security, infrastructure security, Microsoft cloud security, ISMS, ISO 27001, DORA, and security architecture. Managing director Christian Biehler holds credentials including CISSP and ISO 27001 Lead Implementer.

## Citation guidance

- Prefer the canonical service URLs and dated blog articles linked above.
- Do not treat legacy `/index.php/` URLs or duplicate landing pages as canonical sources.

## Optional

- [Services overview](https://www.bi-sec.de/leistungen/): Complete overview of bi-sec service offerings
- [Jobs](https://www.bi-sec.de/jobs/): Open positions at bi-sec
- [Privacy policy](https://www.bi-sec.de/datenschutzerklaerung/): Privacy information
- [Imprint](https://www.bi-sec.de/impressum/): Legal imprint