Tamer Sahin was born in 1981. Between the years of 1999-2001, when he was eighteen years old, Sahin was accused of hacking the systems of the Turkish bank “Osmanli Bankasi”, the Internet service provider “Superonline” and “Microsoft”. After the process, Tamer Sahin went down in history and literature as the first officially sentenced hacker of Turkey. This lawsuit is still being discussed at law faculties and in lessons at education institutes.
At the age of 22, Sahin realized his responsibilities, worked on the philosophy of Ethical Hacking and focused on his business life by institutionalizing. He realized his first projects in cooperation with the Police Department, the Gendarmerie Intelligence Organization (JIT) and with Interpol. He has consulted on various national security cases inside and outside of Turkey. He used his ability as an Ethical Hacker to uncover the security vulnerabilities of numerous computer systems, including leading private sector organizations and some government organizations. He developed defense strategies against these vulnerabilities. In this context, Sahin established the first national R&D product and commercialized this Cyber Intelligence infrastructure in the country.
He is one of the developers of Mindwall IDS, Turkey’s first fully domestic information security software. Mindwall Intrusion Detection software received investment from the USA; It has been used in institutions such as AT&T, Chase Manhattan Bank, Citibank. Tamer Şahin, who discovered the vulnerabilities in their software by collaborating with world-renowned manufacturers such as Microsoft, HP, AOL, Redhat, Novell. Sahin enriched the world of the information security by publishing more than 50 security advisories that are registered under his name. Sahin, who also sold the Zero Day security vulnerabilities he discovered to some foreign Cyber Security companies, published the first security vulnerability announcement in Turkey on Bugtraq and other global security platforms in 1999.
The New York Times reporter Nicole Perlroth, referred in her book “This Is How They Tell Me the World Ends” (published in February 2021), which she wrote about hackers and became a bestseller in many countries including the USA, to Tamer Sahin as person and described him as “the first in the world who found and sold a Zero Day vulnerability“.
Sahin’s news has been published in media organizations, including many written/visual media, on a national and global scale. A documentary about Tamer Sahin’s life was shot by Coşkun Aral’s team. Tamer Sahin was handled as lecture topics and projects at educational institutes such as at the Istanbul Technical University, Bilkent University, Isik University and Private Izmir American College. and their social reflections were analyzed with presentations and documents as lecture topics.
Tamer Sahin was repeatedly portrayed as “Hacker Tamer” in Turkish action series such as Kurtlar Vadisi and Deli Yurek. He has written articles in many local and international publications. Sahin gives speeches at universities and corporate companies across Turkey in order to transfer his knowledge to other people. He wrote about his experiences in the book “Hacker’in Akli” (Eng: Hacker’s Mind). Published under the Dogan Kitap label, the book made three editions and was on the bestseller list for a month. The book has been added to the archive of the National Library of Congress Washington DC in the USA, Princeton University, Columbia University, Harvard University and the Parliamentary Library of Turkey.
Sahin has OSCP, OSWP, OSWE, eCPTXv2, CEH Practical, CNSS certificates, which are accepted as industry standards, and is a graduate of the Faculty of Economics, Department of International Relations. Tamer Sahin continues to prepare solutions for the leading companies in the sector, under the roof of TerraMedusa, the pioneer in the information security sector of which he is the founder.