| # Let's Encrypt Adoption Among the Top 5,000 Companies |
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| ## Overview |
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| This dataset analyzes Let's Encrypt adoption across the world's top 5,000 companies. |
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| It identifies companies whose websites use Let's Encrypt issued SSL/TLS certificates, providing a snapshot of Let's Encrypt adoption among large organizations. |
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| The dataset is intended for technology research, cybersecurity analysis, technographic research, competitive intelligence, market analysis, and data science. |
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| ## Dataset Highlights |
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| * 5,000 large companies analyzed |
| * Identifies Let's Encrypt adoption at the company and website level |
| * Focused on large organizations |
| * Useful for analyzing SSL/TLS certificate technology adoption |
| * Suitable for research, visualization, segmentation, and machine learning projects |
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| ## What is Let's Encrypt? |
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| Let's Encrypt is a free, automated, and open Certificate Authority that provides SSL/TLS certificates. It enables websites to deploy HTTPS without purchasing certificates from traditional commercial certificate authorities. |
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| ## Dataset Fields |
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| | Field | Description | |
| | ------------- | -------------------------------------------- | |
| | Company | Company or organization name | |
| | Domain | Primary website domain | |
| | Let's Encrypt | Indicates whether Let's Encrypt was detected | |
| | Technology | Detected technology name | |
| | Country | Company or website country, where available | |
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| Refer to the accompanying dataset file for the complete list of fields and values. |
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| ## Methodology |
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| Websites were analyzed for technical fingerprints associated with Let's Encrypt. A company is considered a Let's Encrypt adopter when the relevant certificate or technology footprint is detected on its associated website. |
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| Technology detection represents an observation at the time of collection and should not be interpreted as confirmation of an organization's complete infrastructure. |
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| ## Use Cases |
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| This dataset can be used for: |
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| * Technographic research |
| * Cybersecurity research |
| * SSL/TLS infrastructure analysis |
| * Market research |
| * Competitive intelligence |
| * Data science and machine learning |
| * Technology adoption analysis |
| * Academic research |
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| ## Important Notes |
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| * Technology detection is based on publicly observable website signals. |
| * A detected Let's Encrypt certificate does not necessarily mean that Let's Encrypt is used across all of an organization's domains or infrastructure. |
| * Website infrastructure can change over time. |
| * Results represent observations from the dataset's collection period. |
| * The dataset should not be interpreted as an official statement from any company regarding its technology stack. |
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| ## License |
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| Please refer to the repository license for permitted uses, redistribution, and attribution requirements. |
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