Team
Alexandre Sieira
Co-Founder and CEO
Alexandre (or Alex) Sieira is a successful information security entrepreneur in the information security field with a global footprint since 2003. He began his security career as a Co-Founder and CTO of CIPHER, an international security consulting and MSSP headquartered in Brazil which was later acquired by Prosegur. In 2015, he became Co-Founder and CTO of Niddel, a bootstrapped security analytics SaaS startup running entirely on the cloud, which was awarded a Gartner Cool Vendor award in 2016. After the acquisition of Niddel by Verizon in January 2018, he became the Senior manager and global leader of the Managed Security Services - analytics products under the Detect & Respond portfolio tower at Verizon.
Dani Dilkin
Co-Founder and Senior Partner
Dani Dilkin is a Senior Partner of Tenchi Security and responsible for consulting delivery services. With more than 23 years of experience in this field, Dani is a specialist in managing projects that involve complex environments, cutting edge technology and innovation. Dani has a large experience in advisory and consulting services for global corporations and led the Brazilian practice of Cyber Security in Kroll and Deloitte over five years. He is also a member of the Information Security Group of Brazilian Internet of Things association.
Felipe "Pr0teus" Espósito
Senior Researcher
Felipe Espósito graduated in Information Technology at UNICAMP and has a master's degree in Systems and Computing Engineering by COPPE-UFRJ, both among the top technology universities in Brazil. He has over ten years of experience in information security and IT, with an emphasis on security monitoring, networking, data visualization, and threat hunting. He is a founder of the HackerMakerSpace in Rio de Janeiro and presented at respected conferences such as Hackers 2 Hackers Conference, BHACK, BSides (Las Vegas and São Paulo), FISL, Latinoware, and SANS SIEM Summit.
