After bad actors gain an initial foothold into an organization, they often use active directory attacks to gain administrative privileges.  On this episode of CISO Tradecraft, we discuss Active Directory.  You can learn what it is, how it works, common attacks used against it, and ways you can secure it.  
References:
Stealthbits Active Directory Attacks
Wikipedia Active Directory
Wikipedia Directory Service
Wired Story on Not Petya
CIS Hardened Images
MS Domain Services 
Mimikatz
Kerberos
Indeed Active Directory Job Listing
Infographics:

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