In information security field works since 2003. Has two higher educations on specialties "computer security" and "management". Completed professional development course according to five programs in information security field, including according to the program of FSB Academy. At the moment is responsible for information security in production corporation.
Besides, Maria – one of the leading Russian experts in the field of data protection in the virtualized infrastructures. Is the founder of non-commercial consolidation of the Russian specialists dealing with issues of information security support of the virtualized infrastructures – Virtualization Security Group Russia. Received a rank vExpert for a contribution to development of the international community of specialists in virtualization and activities for promoting of questions of creation of information security systems for the virtualized infrastructures taking into account specifics of virtual environment four times. Author of a series of publications "Myths of virtualization. Delusions and stereotypes concerning information security support of infrastructures of virtualization". Enters in top-10 the rating of the best cybersecurity speakers according to BISA (DLP-Expert).
Maria Sidorova took a position of the Deputy manager of the Protection of Virtual Infrastructures direction in Code of Security company. Also took a position of the head of the St. Petersburg department and the Vice president of RISSPA association.