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Tuna A. is an experienced information security professional currently serving as Information Security Manager and previously as Information Security Executive at Paynet Ödeme Hizmetleri since October 2020. Prior experience includes roles as Cyber Security Specialist and Information Technology Specialist at Hepsiburada from April 2015 to October 2020, and System Support Specialist at Ozon Tekstil from December 2012 to April 2015. Tuna A. began a career in technology as Software Technical Support at Haseki Eğitim ve Araştırma Hastanesi for a brief period in 2012, followed by a position as System Support Specialist at BDH - Bilisim Destek Hizmetleri. Academic qualifications include a Master's degree in Cyber Security from Akhmet Yassawi University, a Bachelor's degree in Business Administration from Anadolu University, and an Associate's degree in Computer Programming from Trakya University.