Chema Alonso

Spanish executive and hacker · Spain · On the map · Born 1975 · age 51

José María "Chema" Alonso Cebrián is a Spanish computer‑security researcher and technology executive. He led Telefónica's cybersecurity unit ElevenPaths in 2013 and later served on the company's executive committee as Chief Data Officer and Chief Digital Officer between 2016 and 2025.

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Chema Alonso is read about 121 times a day, in 4 languages.

A typical day, 30 days to 6 November 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 61 days, one point a day.

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