In her ranking for 2021, the company assessment AV-TEST it doesn't seem impressed by Windows Defender, at least compared to some of its competitors products. 
Although AV-TEST in previous tests reported that Microsoft or Windows Defender did extremely well in the second half, (October - December 2021), failed to win any of the company's awards.
So fans of Microsoft Defender will probably be disappointed with the results below. But let's look at the awards given by AV-TEST and which products it considers to be the best applications protections from viruses in 2021.
For Windows, there were three awards for three different categories:
- Better protection
- Better performance
- Better usability
As mentioned above, Windows Defender could not secure an award in any of the above categories.
Let's look at the winners, and the categories they won.
Better protection
Bitdefender
Kaspersky
Norton 360
Better performance
ESET
G DATA
Kaspersky
Norton 360
PC Matic
Better usability
Avira
ESET
However, this is not a bad thing for Microsoft, as Defender has won Best Protection for Corporate Users.
You can see all the results from here.
