@SwiftOnSecurity: Due to the very low perf cost of Defender antivirus update checks, I’m experimenting with launching an update request to their cloud 90 seconds after every login and workstation unlock. Admin - 25 Jul 2020 Due to the very low perf cost of Defender antivirus update checks, I’m experimenting with launching an update request to their cloud 90 seconds after every login and workstation unlock. By that time user has stable network connection. Defender’s “update on startup” is unreliable.— SwiftOnSecurity (@SwiftOnSecurity) July 25, 2020