With Chrome-based Edge, its possible to go back to a single browser without your application ecosystem suffering ill effects. Microsoft has released a Security baseline for Microsoft Edge version 85.0. With this kit you can use Group Policy or scripts to better harden your Edge browser against threats. Migrate away from SHA-1 signed certificates as soon as you can as all the major browsers have dropped support. The US Cybersecurity and Infrastructure Security Agency (CISA) recommends investigating the use of browser isolation.”]
Source: https://www.csoonline.com/article/3605732/how-to-harden-microsoft-edge-against-cyberattacks.html