Microsoft announces free web content filtering feature for enterprise customers. Microsoft Defender Advanced Threat Protection (ATP) Web Content Filtering is part of Microsoft Defender ATP’s Web protection capabilities. It allows security admins to design and deploy custom web usage policies across their entire organizations. The feature is available on all major web browsers, with blocks performed by Network Protection (on Chrome and Firefox) and SmartScreen (on Edge) Microsoft says users are prevented from accessing websites in blocked categories, whether they are browsing on-premises or away.
Source: https://www.bleepingcomputer.com/news/security/microsoft-defender-atp-web-content-filtering-is-now-free/