Alexandre Sieira

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 Managed Security Services products under the Detect & Respond portfolio tower at Verizon. Currently is the CTO and Co-Founder of Tenchi Security, a company disrupting the Third Party Cyber Risk Management market.