Russian Is Widely Used

Quane said top security researchers can quickly spot exploitable vulnerabilities just by examining source code. The political unification of this region into Kievan Rus' in about , from which modern Russia, Ukraine and Belarus trace their origins, established Old East Slavic as a literary and commercial language. Mikhail Lomonosov first compiled a normalizing grammar book in ; in the Russian Academy 's first explanatory Russian dictionary appeared. Until the 20th century, the language's spoken form was the language of only the upper noble classes and urban population, as Russian peasants from the countryside continued to speak in their own dialects. An East Slavic Old Novgorod dialect , although vanished during the 15th or 16th century, is sometimes considered to have played a significant role in the formation of modern Russian.