Phishing Susceptibility KPI

What is Phishing Susceptibility?
Percentage of employees who fall for phishing attacks in simulated scenarios.

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Phishing Susceptibility is a critical KPI that measures an organization's vulnerability to phishing attacks, directly impacting financial health and operational efficiency.

High susceptibility can lead to significant data breaches, resulting in costly remediation efforts and reputational damage.

By tracking this metric, organizations can enhance their cybersecurity posture, improve employee training, and ultimately safeguard sensitive information.

A proactive approach to managing phishing risks not only protects assets but also aligns with strategic goals of resilience and trust.

Reducing susceptibility can lead to better ROI metrics and a more secure business outcome.

Phishing Susceptibility Interpretation

High phishing susceptibility indicates a lack of employee awareness and inadequate security measures, while low values reflect a robust cybersecurity culture. Ideal targets should aim for a susceptibility rate below 5%.

  • 0–5% – Strong security awareness and training programs
  • 6–10% – Moderate risk; consider enhanced training
  • 11% and above – High risk; immediate intervention required

Phishing Susceptibility Benchmarks

We have 4 relevant benchmarks in our benchmarks database.

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average baseline (pre‑training) employees (simulated phishing tests) cross‑industry global 14.5 million users, 62,400 organizations

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Source: Subscribers only

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average users / phishing simulation campaigns cross-industry global

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Source: Subscribers only

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average 2025 employees / untrained end users cross-industry global 62,400 organizations (14.5 million users)

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Source: Subscribers only

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Value Unit Type Company Size Time Period Population Industry Geography Sample Size
Subscribers only percent average 2023 employees / untrained end users cross-industry global 35,681 organizations

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Common Pitfalls

Many organizations underestimate the impact of phishing susceptibility, often viewing it as a mere IT concern rather than a business imperative.

  • Failing to conduct regular phishing simulations can lead to complacency. Without testing, employees may not recognize evolving threats, leaving the organization vulnerable to attacks.
  • Neglecting to update training materials can result in outdated knowledge. Cyber threats evolve rapidly, and static training fails to address new tactics used by attackers.
  • Overlooking the importance of a multi-layered security approach weakens defenses. Relying solely on technology without employee engagement creates gaps in security posture.
  • Ignoring metrics and analytics prevents organizations from understanding their susceptibility trends. Without data-driven insights, it's challenging to measure improvement or identify weaknesses.

KPI Depot is trusted by consulting, strategy, finance, and analytics teams at leading organizations worldwide, including those listed below.

AAMC Accenture AXA Bristol Myers Squibb Capgemini DBS Bank Dell Delta Emirates Global Aluminum EY GSK GlaskoSmithKline Honeywell IBM Mitre Northrup Grumman Novo Nordisk NTT Data PepsiCo Samsung Suntory TCS Tata Consultancy Services Vodafone

Improvement Levers

Enhancing phishing resilience requires a comprehensive strategy that combines technology, training, and continuous monitoring.

  • Implement regular phishing simulations to test employee awareness. These exercises help identify knowledge gaps and reinforce training, ultimately reducing susceptibility.
  • Update training programs frequently to reflect current threats. Engaging content that addresses real-world scenarios keeps employees informed and vigilant.
  • Adopt multi-factor authentication (MFA) to add an extra layer of security. MFA significantly reduces the risk of unauthorized access, even if credentials are compromised.
  • Utilize advanced email filtering solutions to block phishing attempts before they reach employees. Robust filtering can prevent many attacks from ever being seen.

Phishing Susceptibility Case Study Example

A leading financial services firm faced a rising tide of phishing attacks, with susceptibility rates climbing to 15%. This alarming trend prompted the CISO to initiate a comprehensive review of their cybersecurity training and protocols. The firm implemented a multi-faceted approach, including quarterly phishing simulations and updated training materials that reflected the latest threats.

Within 6 months, the firm saw a significant reduction in susceptibility rates, dropping to 7%. Employees reported increased confidence in identifying phishing attempts, and the number of successful attacks decreased dramatically. The firm also integrated advanced email filtering technology, which further reduced exposure to potential threats.

By the end of the fiscal year, the organization not only improved its cybersecurity posture but also enhanced its reputation among clients for prioritizing data protection. This proactive approach led to a measurable increase in client trust and retention, ultimately contributing to a stronger financial outcome.

Related KPIs


What is the standard formula?
(Number of Employees who Failed Phishing Tests / Total Number of Employees Tested) * 100


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FAQs about Phishing Susceptibility

What is phishing susceptibility?

Phishing susceptibility measures how vulnerable an organization is to phishing attacks. It reflects the effectiveness of employee training and security protocols in recognizing and responding to such threats.

How can I reduce phishing susceptibility?

Reducing phishing susceptibility involves regular training, phishing simulations, and implementing advanced security measures like multi-factor authentication. A comprehensive approach ensures employees are well-prepared to identify threats.

Why is phishing susceptibility important?

Phishing susceptibility is crucial because high rates can lead to data breaches and financial losses. Understanding and managing this KPI helps protect sensitive information and maintain operational efficiency.

How often should phishing simulations be conducted?

Phishing simulations should be conducted at least quarterly. Regular testing helps reinforce training and keeps employees aware of evolving phishing tactics.

What role does technology play in reducing susceptibility?

Technology plays a vital role by providing tools like advanced email filtering and multi-factor authentication. These solutions complement employee training and enhance overall security.

Can phishing susceptibility impact business outcomes?

Yes, high phishing susceptibility can lead to data breaches, financial losses, and reputational damage. Managing this KPI effectively contributes to better business outcomes and strategic alignment.



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