When a server is compromised via brute force, this is just the initial foothold (known as initial access based on MITRE ATT&CK® tactics). In a brute force attack, the perpetrator attempts to gain unauthorized access to a single account by guessing the password repeatedly in a very short period of time. Nowadays with COVID-19, with more employees working from home more often, threat actors are taking advantage of the increase of management ports open, which includes RDP and SSH.Īn RDP or SSH brute force attack can compromise users with weak passwords and without Multi-factor Authentication (MFA) enabled.
Azure Sentinel delivers intelligent security analytics and threat intelligence across the enterprise, providing a single solution for alert detection, threat visibility, proactive hunting, and threat response. As long as the request complies with the rules, access is automatically granted for the requested time only and then it’s removed.Īzure Sentinel is a cloud-native Security Information Event Management (SIEM) and Security Orchestration Automated Response (SOAR) solution. When needed, access can be requested from Security Center or via PowerShell.
You can specify rules for how users can connect to virtual machines. Just-in-Time VM Access is one of many features that is included in Azure Security Center which is something you should consider for your Azure virtual machines which are publicly facing.
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