Cybersecurity and Cybercrime. Protecting sites from DDoS attacks, hacking and data loss. Pentest, diagnostics, treatment and restoration of sites and information. What is Pentest? It is a check (or testing) for penetration and system security (searching and exploitation of vulnerabilities) – this is a search for vulnerabilities in the selected information system. Typically, a penetration test is a method for assessing the level of security of information networks, which fully simulates a cybercriminal attack (penetration test). A team of IT specialists in information security plays the role of hackers and tries to hack the system by prior agreement with the owner of the information system, using all possible system vulnerabilities.