Dec 10, 2025
A 14-Year View of Poland’s Cybersecurity Landscape Through SOM Clustering Self-Organising Map (SOM) generated from 14 years of CERT Polska annual reports. Each dot represents a keyword extracted from the reports, and the clusters reveal how the focus of cybersecurity topics evolved over more than a decade.
1. Collecting 14 Years of CERT Polska Reports 2. Extracting Text and Cleaning the Data 3. Building a Keyword Frequency Matrix 4. Training the Self-Organising Map (SOM) 5. Visualising Each Year’s Landscape 6. Identifying Long-Term Patterns
👆Digital attacks incidents in Poland link to OneDrive