1. Bruteforce - selection of passwords by brute force. https://sfztn.com/security/brutfors-podbor-parolya-pereborom.
2. In 2019, twice as much personal data leaked than a year earlier. https://www.infowatch.ru/resources/analytics/digest/19322. © InfoWatch
3. A look at the future of business: five trends of the post-digital era: https://www.rbc.ru/trends/innovation/5d67989d9a7947b5e4d5ad0b
4. Malicious software statistics and facts 2019. https://xakinfo.ru/network_administration/malware-statistics-and-facts-2019/
5. Malicious program (malware). https://www.tadviser.ru/index.php