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Detecting token theft can be difficult without the proper safeguards and visibility into authentication endpoints. Users on these devices may be signed into both personal websites and corporate applications at the same time, allowing attackers to compromise tokens belonging to both.Īs far as mitigations go, publicly available open-source tools for exploiting token theft already exist, and commodity credential theft malware has already been adapted to include this technique in their arsenal. These unmanaged devices likely have weaker security controls than those that are managed by organizations, and most importantly, are not visible to corporate IT. In the new world of hybrid work, users may be accessing corporate resources from personally owned or unmanaged devices which increases the risk of token theft occurring. This poses to be a concerning tactic for defenders because the expertise needed to compromise a token is very low, is hard to detect, and few organizations have token theft mitigations in their incident response plan. By compromising and replaying a token issued to an identity that has already completed multifactor authentication, the threat actor satisfies the validation of MFA and access is granted to organizational resources accordingly. Recently, the Microsoft Detection and Response Team (DART) has seen an increase in attackers utilizing token theft for this purpose. For more information on IR services, go toĪs organizations increase their coverage of multifactor authentication (MFA), threat actors have begun to move to more sophisticated techniques to allow them to compromise corporate resources without needing to satisfy MFA. The Microsoft Detection and Response Team (DART) has been renamed to Microsoft Incident Response (Microsoft IR). Microsoft Purview Data Lifecycle Management.Microsoft Purview Information Protection.Information protection Information protection.Microsoft Priva Subject Rights Requests.Microsoft Purview Communication Compliance.Microsoft Purview Insider Risk Management.Risk management & privacy Risk management & privacy.Microsoft Intune Endpoint Privilege Management​.Endpoint security & management Endpoint security & management.Microsoft Defender External Attack Surface Management.Microsoft Defender Cloud Security Posture Mgmt.Microsoft Defender Vulnerability Management.Microsoft Entra ID (Azure Active Directory).