Since 1994, she has been working at the Institute of Information Technologies at the Bulgarian Academy of Sciences, which, in 2010, was merged with two other institutes to form the Institute of Information and Communication Technologies at the Bulgarian Academy of Sciences. The main scientific interests of Prof. Daniela Borisova are related to mathematical modeling, combinatorial optimization, linear and nonlinear programming, multi-criteria optimization, multi-criteria analysis, and group decision-making. The scientific and applied research directions include web applications, electronic and distance learning, decision-making support systems, night-vision devices, wind farm design, and cybersecurity, including methods for detecting malicious software.