Cyber Drill – What Is It?

Published On: July 10, 2025

Cyber Incidents – Not “if” but “when”

In today’s digital world, it’s no longer a question of if a cyber incident will happen, but when. With this reality in mind, running realistic cybersecurity exercises has become increasingly important not just for IT and security teams, but for the entire organization. That’s where the concept of a cyber drill comes in. A cyber drill allows an organization to test its readiness in a controlled and safe environment, without causing real damage.

What is a Cyber Drill?

A cyber drill is a structured exercise that simulates real-life cyber incidents to test and improve an organization’s ability to respond. Whether the scenario involves ransomware, a distributed denial-of-service (DDoS) attack or an insider threat, a well-run drill helps identify weaknesses and strengthen the organization’s overall cybersecurity posture.

A cyber drill is different from a general cybersecurity training as it focuses on practicing and verifying the effectiveness of existing procedures, tools, and knowledge. The goal is to put plans into action, apply defense mechanisms, and make decisions with real (simulated) consequences.

These drills may involve only the technical team, just the leadership, or the entire organization depending on the goal and scope of the exercise.

Why are Cyber Drills important?

The main purposes of a cyber drill can be grouped into three categories:

  • Improving readiness. Participants get to practice their reactions and decision-making in the heat of a cyber incident. When a real crisis hits, familiar actions come faster and feel more natural.
  • Testing technical and leadership processes. Are logs being saved properly? Are decisions made quickly at the right level? Are backups working? Drills reveal both technical gaps and process-level issues.
  • Checking communication and coordination. Often, it’s not the technical problem that causes the most damage but the breakdown in communication. A cyber drill tests how well the IT and cybersecurity teams, leadership, partners, and public communications work together.

Main types of Cyber Drills: Technical vs. Strategic

Cyber drills can generally be divided into two categories: technical and strategic.

  • Technical cyber drills involve simulations like red team vs. blue team scenarios, where attackers try to breach the system and defenders try to stop them. These drills are often run in cyber range environments, which are simulated systems that mimic the organization’s real IT infrastructure (a “digital twin”).
  • Strategic cyber drills, also known as tabletop exercises, focus on decision-making by leadership, communications officers, legal advisors, and other non-technical key roles. For example: how should the board respond to a critical incident? How will messages be handled in the media? Are responsibilities clear?

The best outcomes come when both types are combined and an integrated cyber drill takes place where technical depth and strategic clarity work together.

How are Strategic Cyber Drills structured?

A well-designed strategic cyber drill typically includes:

  • Scenario. The cyber drill begins with a logical and realistic story. For example: “The organization receives an email threatening to release stolen data unless a ransom is paid within 48 hours.”
  • Timeline and flow. Events unfold in a structured and paced manner. The drill can last from a few hours to several days.
  • Roles and responsibilities. Each participant has a defined role such as financial manager, communications lead, legal advisor, or CEO.
  • Injects. These are bits of information delivered during the exercise to move the story forward – emails, press inquiries, system logs, etc.
  • Live discussions. The exercise includes scheduled breaks to discuss decisions, options, and their potential impact ensuring that teams don’t just “go through the motions.”

Common Cyber Drill Scenarios

Realism is key to a successful drill. Common scenarios include:

  • Ransomware – files are encrypted and a ransom is demanded.
  • Denial of Service (DDoS) – web services are overwhelmed and taken offline.
  • Insider threat – a malicious or careless employee leaks data or sabotages systems.
  • Data breach – sensitive customer data is exposed publicly.
  • Supply chain attack – malware is spread through a third-party vendor.

These scenarios reflect today’s real-world cyber threat landscape and help organizations understand which risks are most relevant to them.

Learning from the Drill: Debrief and Next Steps

The real value of a cyber drill comes after the exercise. A post-incident review (often called an after-action review) highlights what worked well and what needs improvement:

  • Were decisions made fast enough and by the right people?
  • Did the right information reach the right hands?
  • Did tools and procedures actually support the response?

A good practice is to create a written summary of key findings and recommendations. This can lead to an action plan such as additional staff training, backup audits, or redefining roles and responsibilities.

Why should you consider a Cyber Drill?

Too often cybersecurity plans exist only as PowerPoint slides or Word Documents – they look great on paper, but fail in practice. A cyber drill is a safe, controlled way to test those plans before a real crisis happens.

Even small organizations should consider cyber drills because:

  • Cyber threats affect everyone, regardless of size.
  • Drills strengthen trust, reputation, and risk management.
  • Compliance requirements (like the NIS2 directive) increasingly demand realistic testing.
  • Response speed and coordination improve dramatically after practice.