Microsoft Exchange Server Breach

March 12, 2021 Redspin, Inc.

On March 2nd, 2021 more than 30,000 organizations were hit by the Microsoft Exchange Server Breach via four critical zero-day vulnerabilities. Based on data collected from Palo Alto's Networks Expanse Platform, over 125,000 estimated Exchange Servers remain unpatched in the world. If exploitation activity is discovered, assume there is a network identity compromise and follow the incident response procedures outlined in this infographic:

On March 2nd, 2021 more than 30,000 organizations were hit by the Microsoft Exchange Server Breach via four critical zero-day vulnerabilities. Based on data collected from Palo Alto's Networks Expanse Platform, over 125,000 estimated Exchange Servers remain unpatched in the world. If exploitation activity is discovered, assume there is a network identity compromise and follow the incident responses procedures outlined in this infographic:

About the Author

Redspin, Inc.

Redspin is a leading provider of risk assessments using various frameworks including NIST CSF, CMMC-AB, ISO 27001, PCI DSS, and healthcare cybersecurity consulting. We’ve helped many Fortune 500 and leading growth companies in highly regulated industries including government, financial, technology, and manufacturing improve their cyber readiness and resiliency through a strategic and proven approach to reduce cyber risks and safeguard sensitive information.

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