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Tõnu Samuel (born 3 July 1972 in Tallinn) is an Estonian white hat hacker commonly cited by mainstream media in topics regarding network security.
from 1979 to 1988, Samuel attended at the Tallinn Secondary Science School. 1990–1992 he took courses in business and financial management. His career as a programmer began in 1991, while working at the Estonian Ministry of Communication.
In 2011 Samuel moved to work in Japan, before that he lived about 10 years in Räpina in southeastern Estonia.