Attackers target Microsoft identities for access to applications and SaaS platforms, exploiting native functions over vulnerabilities. Nobelium, linked to SolarWinds, uses native tools like Federated Trusts for ongoing tenant access. This session will reveal an attacker leveraging another native function, enabling persistent access to a Microsoft cloud tenant using lateral movement and other tactics. This vector exploits misconfigured Cross-Tenant Sync, letting attackers breach connected tenants or establish rogue configurations.