Sentry has grown rapidly on developing and providing Offensive Security Testing services in the Western Balkans, SE Europe. Services Sentry specializes in security testing for Web Apps, Mobile, Cloud, Network Infrastructure, Thick Clients, Social Engineering, and Red Teaming. Our team of researchers has extensive experience, with thousands of successful projects, including partnerships with leading cyber security companies in the United States and other countries. Key Partners Some of our key partners include Veracode, BishopFox, Leviathan Security Group and Outpost24. Sentry has also provided offensive security testing for notable clients such as Whelen Corporation, BNP Paribas, Raiffeisen Bank, Examity, and many others. Among key competences cover Secure Code Reviews and Cyber Defensive Services.