Session
So You Travelled Back In Time. Reconnecting Mismatching Core Identity Stores? Swipe Left Or Right?
With cybercrime on the rise, ransomware attacks that target Active Directory (AD) - the primary identity store for most businesses worldwide - are as common as a cup of coffee. If, like many organizations today, you have a hybrid identity environment that combines AD with Entra ID (formerly known as Azure AD), are you prepared for the worst-case scenario? If your AD was burned to the ground, you hopefully have (at a minimum) backups to perform a forest recovery. But what then? After assessing the security of your AD and mitigating any (critical) risks (you plan to do this right?), do you simply reconnect and allow synchronization to occur between AD and Entra ID, or do you perform a GAP analysis first? Knowing which precautionary measures to take to minimize damage (i.e., impact of user experience and data loss) within Entra ID is of utmost importance!
In this session, we will discuss what the problem is, explain how to perform a GAP analysis and also how to close any disclosed GAPs before reconnecting AD and Entra ID and enabling synchronization. Last but not least, we will also explain the differences between the usage of Entra AD Connect Sync (formerly known as Azure AD Connect Sync) and Entra Cloud Sync (formerly known as Azure AD Cloud Sync).
OPTIONAL: If time allows and the demo gods work along even a demo will be given to show what is presented.
5 Key take aways:
• At a high level, know and understand what to do after a forest recovery, and why.
• Know and understand which backup to choose and why.
• Know and understand which actions to take to perform a GAP analysis.
• Know and understand which actions to take to remediate impact.
• Know and understand what to do with both/either Entra Connect Sync (a.k.a. Azure AD Connect Sync) and/or “Entra Cloud Sync” (a.k.a. Azure AD Cloud Sync).

Jorge de Almeida Pinto
Semperis, Senior Incident Response Lead
Veenendaal, The Netherlands
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