Joe Bialek (@JosephBialek) is currently a Security Engineer on the Office 365 Red Team at Microsoft where he does security research, red teaming, penetration testing, tool development, and code review. Joe was a contributor to Microsoft's Pass the Hash guidance paper, and has been a contributor to other large security efforts within the company. Prior to his role at Microsoft, Joe graduated from Western Washington University with a Bachelors degree in Computer Science.