Stefan Erdweg

Managing Director of 3-core GmbH | Lecturer at HfÖV Bremen | Speaker and Media Expert

Stefan Erdweg founded 3-core GmbH in 2019 and has served as its Managing Director ever since. With more than 20 years’ experience in strategic security and crisis management, he advises businesses and critical infrastructure operators on hybrid threats, physical security, business continuity and crisis management.

His professional perspective is both international and interdisciplinary. Stefan Erdweg studied Risk and Security Management at the Hochschule für Öffentliche Verwaltung Bremen (HfÖV Bremen), completed a Master of Arts in International Politics with a focus on Critical Geopolitics at Newcastle University, and subsequently earned an MBA in General Management from IU International University of Applied Sciences.

WDR and WELT TV consult Stefan Erdweg as an expert on critical infrastructure protection and countering hybrid threats. In interviews and presentations, he analyses attacks, acts of sabotage, drone incidents and hybrid threats, translating them into tangible implications and practical options for operators, executive teams and security leaders.

Latest Media and Television Appearances

Stefan Erdweg live on WDR: Power Grid Under Pressure – Rules for Critical Infrastructure Protection

In a WDR studio interview, Stefan Erdweg assesses recent acts of sabotage targeting the power grid. He explains why effective protection involves more than high fences: controlled access, video surveillance, short response times and binding requirements are essential. In view of coordinated attacks, he also calls for faster implementation of Germany’s Critical Infrastructure Umbrella Act (KRITIS-Dachgesetz).
08.09.2026

Stefan Erdweg live on ntv: Preparing for Power Outages After Power-Grid Sabotage

In a live interview on ntv, Stefan Erdweg discusses growing concern about power outages following attempted sabotage of Germany’s power grid. He explains how a blackout could affect lighting, internet access, card payments, water supplies and mobile networks, and how households can prepare with drinking water, non-perishable food, medication, cash, a radio and alternative light sources.
14.09.2026

Stefan Erdweg live on ntv: Power-Grid Sabotage and the Protection of Critical Infrastructure

In a live interview on ntv, Stefan Erdweg assesses the Federal Public Prosecutor General’s decision to take over the investigation into power-grid sabotage. The discussion focuses on threats to critical energy infrastructure and how prevention, monitoring and rapid response can strengthen the resilience of essential services.
11.09.2026

Stefan Erdweg on WDR: Attacks, Sabotage and the Protection of Critical Infrastructure

The report covers investigations into attacks and how cases of sabotage are handled. Stefan Erdweg assesses the threat from a critical-infrastructure perspective and explains which coordinated preparedness and protective measures can make essential services more resilient.
03.09.2026

Stefan Erdweg live on WDR: How Secure Is Germany’s Critical Infrastructure?

Following the attack on a substation, Stefan Erdweg explains the security implications in a live WDR aktuell studio interview. As an expert in critical infrastructure protection, he discusses the particular challenges involved in safeguarding the energy supply.
02.09.2026

Stefan Erdweg live on WELT TV: Attacks on Substations and the Physical Protection of Critical Infrastructure

Stefan Erdweg assesses the attacks and the vulnerability of energy infrastructure. He explains why even simple methods can have serious consequences and why physical protection needs to receive greater attention.
02.09.2026

Stefan Erdweg live on WELT TV: Vulnerability of the Power Supply After an Attack

Analysis on WELT TV of the attack on a substation in Brandenburg, focusing on the vulnerability of the power supply, better protection and data protection as a potential obstacle.
01.09.2026

Stefan Erdweg live on WELT TV: Weapons Cache Near Berlin and Hybrid Warfare

Assessment of the weapons cache discovered near Berlin and of how such incidents fit into the growing landscape of hybrid threats and the protection of critical infrastructure.
21.08.2026

Stefan Erdweg live on WELT TV: Countering Drones at German Airports

Analysis of counter-drone measures at German airports, focusing on the limits of detection alone, the assessment and decision-making processes required, and the potential consequences of countermeasures for the surrounding area.
07.08.2026

Stefan Erdweg live on WELT TV: Attack on the TGV Network and Protection of Rail Infrastructure

Analysis of the coordinated acts of sabotage against France’s high-speed rail network, the level of planning behind such attacks and the limits of comprehensive surveillance across extensive infrastructure networks.
26.07.2024

Stefan Erdweg live on WELT TV: Terrorist Attack Near Moscow and the Limits of Prevention

Analysis for WELT TV of the security situation following the terrorist attack near Moscow, focusing on the limits of preventive protection, the residual risk that remains and the importance of continuous vigilance around publicly accessible targets.
25.03.2024

Selected Talks, Panels and Conferences

Stefan Erdweg at the DVGW Congress: The Iran and Ukraine Conflicts as Risks for Critical Infrastructure Operators

A DVGW presentation on the changing security landscape for energy and water infrastructure, covering security of supply, crisis preparedness, hybrid threats and resilience.
ANNOUNCED

Stefan Erdweg on the Panel at the VKU Critical Infrastructure Forum: From Security Strategy to Everyday Practice

A discussion on putting critical infrastructure protection into practice, the effectiveness of current standards and challenges for operators, alongside Christina Polzin (Federal Ministry of the Interior) and Madlen Fritsche (Mainova AG), among others.
30.06.2026

Stefan Erdweg at PROTEKT: Resilience Through Detection, Delay and Intervention

An expert presentation in the “Physical Protection” track on the timing of detection, delay and intervention and its importance for the resilience of critical facilities.
25.11.2025

Stefan Erdweg at PROTEKT: Geopolitical Risks and Security Strategies for LNG Terminals

A practice-oriented presentation at PROTEKT linking geopolitical risks, physical security and strategic security planning, using Germany’s first LNG terminal as a case study.
07.11.2024

Stefan Erdweg at the European Police Congress: Protecting Maritime Infrastructure and LNG Terminals

Presentation at the side event “Protection of Maritime Infrastructure”, followed by participation in the panel “National Perspective” with representatives from, among others, the Federal Ministry of the Interior, the Federal Police, the Waterways Police and the German Offshore Wind Energy Foundation.
17.04.2024

Stefan Erdweg at the MARISSA International Symposium: Protecting Maritime Critical Infrastructure Using an LNG Terminal as a Case Study

An international expert presentation on protecting maritime critical infrastructure from a private-sector perspective, using an LNG terminal as a case study, followed by a panel discussion.
04.-05.06.2024

Stefan Erdweg at PROTEKT: Security Requirements for the Wilhelmshaven LNG Terminal

Closing presentation at the “Maritime Critical Infrastructure” forum, offering practical insights into the project phase for setting up an LNG terminal and the associated security requirements.
07.11.2024

Teaching and Knowledge Transfer

Alongside his role as Managing Director, Stefan Erdweg lectures at the Hochschule für Öffentliche Verwaltung Bremen (HfÖV Bremen), where he teaches the principles and techniques of security management. The combination of teaching, consultancy practice and public debate on security shapes both his presentations and his media contributions.

Articles and Interviews by Stefan Erdweg

Stefan Erdweg in an ES&T Expert Article: Supply Shortages as a Weapon

In an expert article for Europäische Sicherheit & Technik, Stefan Erdweg explains how shortages, price increases and disruptions affecting energy, water or logistics can be used as strategic leverage. Critical infrastructure does not have to be completely destroyed to weaken social stability and political decision-making. Strategic resilience therefore becomes a prerequisite for security of supply and national sovereignty.
19.09.2026

Stefan Erdweg on tagesschau.de: How Critical Infrastructure Can Be Better Protected

The article examines recent attacks and attempted sabotage targeting the power supply and other critical infrastructure. Stefan Erdweg identifies existing protection gaps and calls for consistent risk assessments, clearer legal requirements and standardised emergency plans, particularly for energy and water supplies.
04.09.2026

Stefan Erdweg in an Interview with the German Association for Small and Medium-Sized Businesses: Corporate Resilience and Crisis Management

Expert article on the heightened threat landscape, new regulatory requirements and the early integration of business continuity management, crisis management and physical security.
09.01.2025

Stefan Erdweg in an Expert Article for GIT SICHERHEIT: Recommendations on the KRITIS Umbrella Act and NIS2

Print publication of the expert article in GIT SICHERHEIT 4/2025.
2025

Stefan Erdweg in GIT SICHERHEIT Magazine: New Requirements for Companies

Interview on corporate resilience, security, emergency and crisis management, and the importance of preparedness and scenario planning for companies.
12.12.2019

Profile of Stefan Erdweg

Stefan Erdweg has more than 20 years’ experience in strategic security and crisis management. Before founding 3-core GmbH, he worked as a Senior Security Consultant from 2013 to 2018 on a long-term assignment for E.ON SE. He previously gained experience in Group Security at RWE AG and METRO AG.

His professional experience includes security audits, OSINT-supported risk assessments, corporate security, the protection of employees, travellers and projects, and the development of robust security, crisis-management and business-continuity structures. This combination of corporate security, operator experience and consultancy continues to shape his perspective on critical infrastructure.

His selected qualifications include Certified Information Security Manager® (CISM®), Business Continuity Manager – Emergency Management certified by TÜV NORD CERT, and Port Facility Security Officer (PFSO). Stefan Erdweg has also lectured at the Hochschule für Öffentliche Verwaltung Bremen since 2020.

Areas of Expertise

Hybrid Threats and Protective Security

Analysis of sabotage, espionage, drones, interference and combined physical and digital attack scenarios, together with their implications for operators and organisations.

Corporate Resilience and Business Continuity

Business impact analysis, BCM in accordance with BSI Standard 200-4 and ISO 22301, emergency operations, recovery, and robust mapping of dependencies between processes and resources.

Critical Infrastructure Protection

Risk-based physical security, security concepts, perimeter security, detection, access control, response and organisational security standards for critical infrastructure environments.

Geopolitics and the Security Environment

Translation of geopolitical developments and shifts in global power into tangible risks for energy, water, transport, logistics, industry and other critical sectors.

Drones and Emerging Attack Vectors

An integrated approach to detection, identification, assessment, decision-making and response, including organisational responsibilities and emergency procedures.

Crisis and Emergency Management

Crisis-management structures, decision-making capability, alerting, situational management, crisis communications, exercises and simulations under realistic conditions.

Topics for Media Enquiries

Stefan Erdweg is available to newsrooms and editorial teams for interviews, live broadcasts, background briefings and expert analysis of current security situations and threat environments.

  • Hybrid threats to critical infrastructure
  • Sabotage, espionage and physical attacks on energy, transport and utility infrastructure
  • Drones as a security risk: detection, assessment, responsibilities and response
  • The German Critical Infrastructure Umbrella Act, NIS2 and the practical implementation of resilience requirements
  • Physical security, perimeter security, access control, video surveillance, detection and response
  • Business continuity management and the recovery of critical processes
  • Crisis management, crisis-management teams, exercises and decision-making under time pressure
  • Geopolitical risks and their operational implications for operators and businesses