Sergey Chubarov

Sergey Chubarov is a Security and Cloud Expert, Instructor with 15+ years’ experience on Microsoft technologies.
His day-to-day job is to help companies securely embrace cloud technologies.
He has certifications and recognitions such as Microsoft MVP: Security, OSCP, OSEP, eCPPT, eCPTX, Microsoft Certified Trainer, MCT Regional Lead, EC Council CEH, CPENT, LPT, CCSE, CEI, CREST CPSA, CRT and more.
Frequent speaker at local and international conferences like Global Azure, DEF CON, Black Hat Europe, Wild West Hackin’ Fest, Security BSides, Workplace Ninja, Midwest Management Summit, Hack in the Box etc.
Prefers live demos and cyberattacks simulations.


Microsoft Defender for Office 365 evasion. The story of confirmed vulnerability

Ethical Hacker