What is a pentest and a security information and event management system (SIEM)?

Penetration testing (pen testing) is the process of simulating attacks on an information system to identify vulnerabilities and weaknesses in security. Pen testing helps understand how resistant the system is to real threats and what security measures need to be strengthened.

Information security tools (IST) are a set of technical, software, and organizational measures aimed at ensuring the confidentiality, integrity, and availability of information. Examples of IST include antivirus programs, firewalls, intrusion detection systems, encryption, and others.

Thus, pen testing helps evaluate the effectiveness of IST and identify gaps in protection.