Alexandre Sieira

Alexandre Sieira is a successful information security entrepreneur 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 from Brazil acquired in 2018 by Prosegur. In 2015, became Co-Founder and CTO of Niddel, a bootstrapped security analytics SaaS startup running entirely on the cloud, which won 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 management team in the Detect & Respond portfolio tower at Verizon. In late 2019 co-founded Tenchi Security, a company that focuses on cloud security solutions and services. Experienced speaker featured at Black Hat, DEF CON Cloud Village, BSides San Francisco, FIRST Conference and others.