What's new
Enterprise Security Content Updates version 5.1.1 was released on March 4, 2025 and includes the following enhancements:
Enterprise Security Content Updates version 5.1.0 was released on February 24, 2025 and includes the following enhancements:
Key highlight
Minor text update to the malicious_powershell_strings.csv lookup file that caused MS Defender to falsely flag ESCU v5.1.0 as a malware.