Microsoft Endpoint Protection, now known as Microsoft Defender Antivirus, is a security solution provided by Microsoft. It is designed to protect endpoints such as desktops, laptops, and servers from various types of threats, including viruses, malware, spyware, and other malicious software. It offers real-time protection, automatic scanning, and advanced threat detection capabilities to help keep devices and data secure. Microsoft Endpoint Protection is part of the Microsoft Defender suite of security products and is integrated into the Windows operating system.