Berezha Security Group (BSG) is a cybersecurity firm founded in 2014 by three Ukrainian cybersecurity professionals. The company specializes in application security, penetration testing, information security consulting, and professional training services. Since its founding, BSG has delivered over 200 projects to more than 100 clients worldwide across various business sectors including IT services, software products, banking, fintech, retail, healthcare, media, gaming, consulting services, and legal advisory. The company's core expertise encompasses all aspects of application security assessments, network and social engineering penetration testing, and IT security consulting. BSG employs an offensive security mindset to help clients identify vulnerabilities and integrate security principles into their business operations. The team maintains professional certifications including OSCP, CISSP, CISA, eWPTX, eMAPT, eCPPT, eJPT, and CEH, with a majority of mid to senior-level professionals holding OSCP certification. BSG utilizes a project enablement platform called the Dynamic Application Security Red Team Simulator and applies Threat Modeling methodologies to all engagements. The company has been recognized by Clutch as a top cybersecurity consulting company and by Forrester in their Cybersecurity Consulting Wave. BSG actively contributes to the cybersecurity community through involvement with OWASP Kyiv, OWASP Ukraine, and NoNameCon, and participates in speaking engagements at industry events.