https://www.sikich.com

Phishing Simulations: Why Regular Testing Improves Cyber Resilience

Jordan Chlebus

Nov 25 2025

3 min read

Cybercriminals are becoming increasingly sophisticated in the ways they target employees. While firewalls, antivirus software, and intrusion detection systems are critical defenses, the reality is that most cyberattacks begin with a single email. A cleverly crafted phishing message can bypass technical controls and exploit the human factor, which is the most unpredictable element in any security strategy. That’s where phishing simulations, such as those provided by KnowBe4, come into play.

Exposing Real-World Weaknesses

Phishing simulations mimic the types of emails employees are likely to encounter from attackers. These include fake invoices, HR notifications, password reset requests, or even spear-phishing attempts that appear to come from executives. By running these controlled tests, organizations can see exactly how employees respond when faced with suspicious messages.

The goal isn’t to shame individuals who click on a link or provide sensitive information, but to highlight vulnerabilities. These tests help IT teams identify which departments or employees may need additional training, allowing organizations to strengthen weak points before a real attack strikes.

Building a Culture of Awareness

Security awareness can’t be a one-and-done effort. Cyber threats evolve daily, and what fooled no one last year might be highly convincing today. Regular phishing simulations ensure that employees remain vigilant, reinforcing safe behaviors like hovering over links, checking sender addresses, and reporting suspicious messages.

Over time, these exercises help build a “human firewall” or a workforce that acts as a powerful line of defense against social engineering attacks. Employees learn that they play a direct role in protecting company data, which encourages accountability and proactive thinking.

Measurable Results for Continuous Improvement

One of the most valuable aspects of phishing simulations is the data they generate. Platforms like KnowBe4 provide detailed reporting, including click rates, credential submission attempts, and overall risk scores. These insights allow organizations to measure progress over time, demonstrate return on investment from training programs, and provide clear benchmarks for improvement.

For example, a company may begin with a phishing-prone percentage of 25%. After consistent training and simulations, that number could drop to 5% or less, showing tangible improvements in cyber resilience.

Staying Ahead of Attackers

Phishing simulations also keep employees alert to emerging tactics. As cybercriminals adopt AI-driven attacks and more personalized social engineering strategies, simulations can mimic these threats. This prepares employees for the latest attack vectors instead of outdated ones, keeping defenses sharp.

Final Thoughts

Phishing simulations are more than just “gotcha” tests, they’re an essential component of a proactive cybersecurity strategy. By exposing weaknesses, reinforcing best practices, and measuring progress, regular testing with a platform like KnowBe4 helps organizations turn their employees into vigilant defenders. In today’s threat landscape, that human element could be the difference between a blocked attack and a costly breach.

Have any questions about how our Managed Security Services team can help with your phishing tests? Please reach out to our experts at any time!

This publication contains general information only and Sikich is not, by means of this publication, rendering accounting, business, financial, investment, legal, tax, or any other professional advice or services. This publication is not a substitute for such professional advice or services, nor should you use it as a basis for any decision, action or omission that may affect you or your business. Before making any decision, taking any action or omitting an action that may affect you or your business, you should consult a qualified professional advisor. In addition, this publication may contain certain content generated by an artificial intelligence (AI) language model. You acknowledge that Sikich shall not be responsible for any loss sustained by you or any person who relies on this publication.

About the Author

Jordan Chlebus

IT Professional with 10 years of experience in the industry as a Network Consultant. My expertise is further validated by multiple Microsoft 365 certifications, showcasing my proficiency in cloud solutions. Additionally, I bring 8 years of specialized experience in security awareness through KnowBe4, ensuring comprehensive protection against cyber threats.