Microsoft revealed a brand new Defender replace for Home windows 11/10/Server set up photographs final month. This replace package deal is important as a Home windows set up picture might include previous, outdated anti-malware definitions and software program binaries. Apart from higher safety, these updates may also present improved efficiency advantages in some circumstances.

Microsoft delivered the most recent safety definitions for Home windows photographs by way of safety intelligence replace model 1.423.160.0. The Defender package deal model can also be the identical.

Within the assist doc describing the brand new replace, Microsoft explains:

The primary hours of a newly put in Home windows deployment can go away the system weak due to a Microsoft Defender safety hole. It’s because the OS set up photographs might include outdated antimalware software program binaries.

[..] Units utilizing both the Home windows built-in antivirus or one other safety resolution can profit from these updates. Defender updates additionally include important efficiency fixes that can enhance the person expertise.

[..] This text describes antimalware replace package deal for Microsoft Defender within the OS set up photographs (WIM and VHD recordsdata). This characteristic helps the next OS set up photographs:

• Home windows 11
• Home windows 10 (Enterprise, Professional, and Residence editions)
• Home windows Server 2022
• Home windows Server 2019
• Home windows Server 2016

Model info

• Defender package deal model: 1.423.160.0

This package deal updates the anti-malware shopper, anti-malware engine, and signature variations within the OS set up photographs to following variations:

• Platform model: 4.18.25010.11

• Engine model: 1.1.25010.7

• Safety intelligence model: 1.423.160.0

From Microsoft’s safety bulletin, we be taught that the safety intelligence replace model 1.423.160.0 was launched final month. It provides risk detections for numerous backdoor exploits, trojans, and ransomware, amongst others. For these questioning, the most recent intelligence replace is model 1.423.337.0 on the time of writing.

On the subject of safety, Microsoft thinks you may be higher off updating from Home windows 10 to 11 by way of a clear set up so you may keep away from undesirable and probably malicious apps.