Dark Data: Implications and Best Practices

Chibili Mugala
5 min readJul 6, 2023

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There has been a lot of hype about collecting data to improve business processes, increase ROI, reduce retention and a whole bag of goodies. This is akin to collecting quarters, ever wonder how heavy that piggy bank can get? Well with the same analogy, let’s look at how the mass collection of data can affect organizational resources.

Photo by Bilal O on Unsplash.

What is dark data?

Dark data refers to the information that organizations collect and store but do not actively use or analyze to derive insights or make informed decisions. It includes data that is generated as a byproduct of various business activities, such as customer interactions, transaction records, system logs, sensor data, social media feeds, and more.

Dark data often remains untapped or overlooked because organizations may lack the tools, resources, or knowledge to analyze and extract value from it. This data is typically unstructured or semi-structured and resides in databases, file systems, or other storage repositories.

The term “dark data” is used to highlight the potential missed opportunities for organizations to gain valuable insights, improve operational efficiency, enhance decision-making, and discover new business opportunities. By unlocking and analyzing dark data, organizations can uncover patterns, trends, and correlations that were previously unknown, enabling them to make data-driven decisions and gain a competitive advantage.

It is worth noting that not all dark data has immediate value or can be easily analyzed. Some data may have regulatory or privacy constraints, while other data may be outdated or redundant. Nevertheless, understanding and managing dark data can be crucial for organizations striving to harness the full potential of their data assets.

Now that we have the basics covered, let’s explore the potential risks that dark data can bring.

Risks associated with dark data

Hoarding dark data, or accumulating large amounts of unutilized or unmanaged data, can pose several risks and challenges for organizations. Here are some of the potential risks associated with hoarding dark data:

  1. Security and Data Breaches: Dark data that is not properly managed or protected can become a security risk. It may contain sensitive or personally identifiable information (PII) that, if compromised, can lead to data breaches, legal issues, reputational damage, and financial losses.
  2. Increased Storage Costs: Storing large volumes of dark data consumes valuable storage resources, both in terms of physical infrastructure and cloud-based storage. This can result in increased costs for data storage, backup, and maintenance.
  3. Compliance and Regulatory Concerns: Dark data may include information that is subject to various regulations and compliance requirements, such as personal data protected by data protection laws (e.g., GDPR, CCPA). Failure to properly handle and protect such data can result in non-compliance and legal consequences.
  4. Inefficient Data Management: Hoarding dark data without a proper data management strategy can make it difficult to locate, access, and leverage relevant information when needed. It can lead to inefficiencies in data retrieval, analysis, and decision-making processes.
  5. Missed Insights and Opportunities: By not analyzing dark data, organizations miss out on valuable insights, patterns, and trends that could drive innovation, improve operational efficiency, enhance customer experiences, or uncover new business opportunities.
  6. Data Quality and Accuracy Issues: Dark data may contain outdated, duplicate, or inconsistent information. Without proper data governance and quality controls, using such data for analysis or decision-making purposes can lead to inaccurate or misleading results.
  7. Operational Inefficiencies: Dark data adds unnecessary complexity to data management processes. It can hinder data integration efforts, impede data sharing across departments, and create silos of information, thereby hampering collaboration and hindering operational efficiency.
Photo by Photo by Tengyart on Unsplash

Best Practices to Prevent Amassing Dark Data

To prevent hoarding dark data and promote efficient data management practices, organizations can implement the following strategies:

  1. Define Data Governance Policies: Establish clear data governance policies that outline data ownership, data lifecycle management, data retention periods, and data disposal procedures. These policies should be communicated and enforced across the organization to ensure responsible data handling.
  2. Conduct Regular Data Audits: Regularly assess and evaluate the data landscape within the organization. Identify and classify data based on its value, relevance, and compliance requirements. This helps identify and eliminate unnecessary or redundant data, reducing the accumulation of dark data.
  3. Implement Data Retention and Deletion Policies: Develop policies that define how long data should be retained based on legal, regulatory, and business requirements. Establish processes for timely and secure disposal of data that is no longer needed. This ensures that data is managed efficiently and reduces the risk associated with storing excessive and outdated information.
  4. Prioritize Data Quality and Cleanup: Invest in data quality initiatives to ensure that the data being collected and stored is accurate, consistent, and reliable. Regularly clean and validate data to eliminate duplicates, correct errors, and maintain data integrity. This helps prevent the accumulation of low-quality dark data.
  5. Foster Data Awareness and Education: Educate employees about the importance of data management, including the risks of hoarding dark data. Promote data awareness, data literacy, and responsible data usage throughout the organization. Encourage employees to report and address instances of data hoarding or excessive data collection.
  6. Implement Data Analytics and Automation: Leverage data analytics and automation tools to efficiently process and analyze data. Implement techniques such as data profiling, data mining, and machine learning to gain insights from data in a more proactive and timely manner. This helps reduce the accumulation of unutilized dark data.
  7. Monitor and Enforce Compliance: Regularly review and update data management practices to ensure compliance with relevant regulations and industry standards. Implement access controls, data security measures, and monitoring mechanisms to protect sensitive data and mitigate the risks associated with dark data.
  8. Foster a Data-driven Culture: Encourage a data-driven culture within the organization, where data is seen as a valuable asset and decision-making is based on data insights. Promote data sharing, collaboration, and knowledge exchange across teams to maximize the value extracted from data and minimize the accumulation of unused dark data.

By implementing these strategies, organizations can actively manage their data assets, minimize the accumulation of dark data, and ensure that data is used effectively to drive business value and competitive advantage.

Final Thoughts

To mitigate risks associated with dark data, organizations should adopt a proactive approach to data management. This includes implementing data governance practices, establishing data retention policies, conducting regular data audits, investing in data security measures, and leveraging advanced analytics techniques to extract insights from dark data while ensuring compliance with relevant regulations.

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Chibili Mugala

A nerdy data scientist with a passion for explainable artificial intelligence, computer vision & autonomous vehicles. https://linktr.ee/chibili