Microsoft announced the addition of Threat Analytics for Microsoft 365 Defender customers and the roll-out of Microsoft 365 Insider Risk Management Analytics, both in public preview. Threat Analytics helps security teams track and stop emerging threats using threat intelligence provided by Microsoft security researchers. Attack Simulation Training in Microsoft Defender for Office 365, starting with January 2021, helps stimulate real attacks for “accurate and up-to-date detection of risky behavior”” Microsoft has also announced the general availability of attack simulation training in the system.”
Source: https://www.bleepingcomputer.com/news/security/microsoft-365-defender-threat-analytics-enters-public-preview/