Von Restorff effect

Category:

Too Much Information

Definition:

The tendency for an item that sticks out like a sore thumb to be more easily remembered than other items.

Published on
September 4, 2024
Updated on
September 4, 2024
Too Much Information

Learning Objectives

What you will learn:
Understand the concept of the Von Restorff effect
Recognize the Impact of the Von Restorff effect in cybersecurity
Strategies to mitigate Von Restorff effect

Other Cognitive Biases

Author

Joshua Crumbaugh
Joshua Crumbaugh
Social Engineer

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The Psychology behind the Von Restorff effect:

The Von Restorff effect illustrates a fundamental aspect of human cognition: our tendency to prioritize and remember information that deviates from the norm. This cognitive bias operates on the principle that items or stimuli that are bizarre, humorous, or visually striking stand out against a backdrop of more mundane information, creating a memorable contrast. When faced with a plethora of stimuli, our brains naturally gravitate towards anomalies that disrupt our expectations. This preference for the unusual can be attributed to the adaptive functions of attention and memory; by highlighting novel elements in our environment, we enhance our chances of survival by recognizing potential threats or opportunities that may otherwise blend into the background.


From a psychological standpoint, the Von Restorff effect underscores the role of novelty in cognitive processing. Rather than functioning uniformly across all types of information, this effect emphasizes how distinctive features capture our attention and enhance retention. The brain’s processing mechanisms favor these standout elements, allowing them to be more readily recalled than their more conventional counterparts. This phenomenon can be particularly salient in contexts overwhelmed with information, where the capacity to discern and remember critical details becomes paramount. By understanding the implications of the Von Restorff effect, individuals can better navigate information-rich environments, leveraging the power of distinctiveness to improve both learning and memory retention.

How To Differentiate the Von Restorff effect from other cognitive biases?

The Von Restorff effect is distinct from other cognitive biases in the "Too Much Information" category because it specifically highlights how odd or visually striking stimuli capture attention and enhance memory retention compared to more mundane items. Unlike general attention biases, which may apply uniformly across various stimuli, the Von Restorff effect focuses on the unique prominence of bizarre or unexpected features that make certain information stand out. This bias underscores the significance of novelty in cognitive processing, illustrating how our brains prioritize distinctive elements in a sea of information.

How does the Von Restorff effect apply to Business Operations?

Scenario:

A cybersecurity firm is conducting a training session for its employees on the importance of recognizing phishing emails. During the session, the trainer presents a series of emails, some of which are typical corporate communications, while one email contains an exaggerated and bizarre request, such as asking employees to click a link to claim a free trip to Mars. Application:

The trainer emphasizes the need to identify subtle signs of phishing. However, the bizarre email stands out due to its strange content. As a result, employees are more likely to remember this specific email compared to the more conventional examples shown. The trainer capitalizes on the Von Restorff effect by deliberately including this odd email to enhance memory retention of phishing tactics.Results:

After the training, a follow-up quiz reveals that 85% of employees recall the bizarre email and its characteristics, while only 50% remember the standard phishing examples. This significant difference in recall demonstrates the effectiveness of using distinctive information to reinforce learning.Conclusion:

This instance illustrates the relevance of the Von Restorff effect in cybersecurity training. By incorporating bizarre or visually striking elements into educational materials, businesses can improve employees' ability to recognize and remember critical information, ultimately enhancing their defenses against cyber threats. Leveraging this cognitive bias can lead to a more informed workforce, better equipped to combat evolving cybersecurity challenges.

How do Hackers Exploit the Von Restorff effect?

Scenario:

A social engineer is crafting a phishing attack targeting employees of a financial institution. To increase the likelihood of success, the attacker designs an email that includes a bizarre and humorous request, such as asking employees to verify their accounts by participating in a "National Unicorn Day" celebration, complete with a link to a fake registration page that promises free unicorn-themed merchandise.


Application:

The social engineer understands the Von Restorff effect and intentionally incorporates this odd theme into the email to capture attention. By making the email visually striking and memorable, the attacker aims to ensure that employees will recall this peculiar request amid their daily influx of routine communications. The bizarre nature of the email serves to distract from the typical signs of phishing, such as unusual links or sender addresses.


Results:

Upon analysis, it is found that 75% of the employees who received the email clicked on the link, compared to a mere 20% who engaged with more standard phishing attempts in the past. This demonstrates how the unusual and humorous elements of the email effectively drew attention and prompted action, despite the underlying malicious intent.


Conclusion:

This example highlights the relevance of the Von Restorff effect in social engineering. By leveraging distinctive and bizarre elements in phishing attempts, attackers can increase the likelihood of their messages being remembered and acted upon. Businesses must educate their employees about the power of such cognitive biases to enhance awareness and reduce susceptibility to social engineering attacks, ultimately improving their cybersecurity posture.


How To Minimize the effect of the Von Restorff effect across your organization?

Defending against the cognitive bias known as the Von Restorff effect requires a multifaceted approach that begins with awareness and education. Organizations must ensure that employees are trained to recognize the tactics that exploit this bias, particularly in contexts like phishing attacks. Training programs should include examples of both typical and atypical communications, emphasizing the importance of scrutinizing all messages, regardless of how bizarre or humorous they may appear. By fostering a culture of skepticism and encouraging employees to verify unexpected requests, organizations can mitigate the risk posed by the Von Restorff effect.


Management plays a crucial role in reinforcing this mindset throughout the organization. Implementing regular training sessions that not only highlight the nuances of cognitive biases but also provide strategies for identifying phishing attempts can empower employees to remain vigilant. Alongside this, organizations should establish clear protocols for reporting suspicious communications. This creates an environment where employees feel comfortable seeking clarification on unusual requests, thereby reducing the likelihood of falling victim to social engineering attacks that capitalize on memorable but misleading information.


Additionally, organizations can utilize technology to enhance their defenses against the exploitation of the Von Restorff effect. Email filtering systems equipped with advanced algorithms can flag or quarantine emails that exhibit characteristics commonly associated with phishing attempts, such as unusual subject lines or odd sender addresses. By minimizing exposure to potentially harmful communications, organizations can reduce the cognitive load on employees, allowing them to focus on recognizing genuine threats rather than becoming overwhelmed by bizarre or humorous distractions.


Finally, continuous assessment and adaptation of training materials is essential. As attackers evolve their strategies, organizations must remain proactive in updating their training programs to include the latest examples of social engineering tactics. By regularly revisiting the principles behind the Von Restorff effect and its application in real-world scenarios, management can ensure that employees are equipped with the tools necessary to navigate an increasingly complex information landscape, thereby strengthening the organization's overall cybersecurity posture.


Meet The Social Engineer

Joshua Crumbaugh

Joshua Crumbaugh
Recognizing the challenges and variation in applying psychology theory to real-world environments, I founded PhishFirewall, a security awareness and phishing training company built on these principles I’ve spent my career refining. We test and apply these concepts in diverse and practical ways to fit each organization’s unique needs.

I invite you to benchmark my company and discover how even slight changes in your approach can yield tremendous impacts on your organization’s security posture.

Hi, I’m Joshua Crumbaugh, and I’m proud to say that for over 20 years, I’ve been one of the leading Ethical Hackers in the United States. I’ve had the privilege of leading Red Teams for Fortune 500 companies, banks, governments, and large-scale enterprises, and and I routinely advises law enforcement agencies across the country and other industry leaders on emerging threats posed by human vulnerability.

The constant evolution of technology has advanced the tradecraft of exploiting people, but the good news is that people can be trained to become the most effective line of defense in any organization. Let’s work together to turn your people into your strongest line of defense.

What is PhishFirewall?

PhishFirewall is an emerging leader in people cybersecurity solutions designed to stop users from clicking on phish and empowers them to operate securely in the workplace.

AI autonomously delivers comprehensive awareness training and phishing simulations to optimize an organization's security posture and provides a one stop solution for industry specific compliance requirements. Unlike traditional tools, it provides zero campaign management, allowing administrators to strategically manage their priorities, with the added benefit of offering a streamlined, one-time setup with ongoing personalized training.
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