| Before February 25 (included), 2027 | After February 25, 2027 | |
| IEEE Non-Members | $ 600 | $750 |
| IEEE Members | $ 500 | $650 |
| Members of the Association of Software and Cyber Security of Turkey | $ 500 | $650 |
| Student (IEEE Non-Members) | $ 500 | $600 |
| Student (IEEE or Association of Software and Cyber Security Members) | $ 400 | $500 |
| Listener (main conference) | $ 300 | $400 |
| *Extra Paper | $ 300 | $400 |
(*) If one author has two or more accepted papers, one regular registration is required for the first paper, and the author must pay additional fees for each extra paper separately.
Important Note: Any requests for refunds of registration fees paid for the ISDFS Conference—including, but not limited to, paper registrations, author registrations, listener registrations, withdrawals of submitted papers, or duplicate (multiple) payments made for the same registration—will not be considered, and no refunds will be issued under any circumstances.