Microsoft Defender’s protection capabilities suffer offline

Microsoft Defender, the default security solutions on modern versions of the Windows operating system, performed well in recent antivirus tests from independent organizations such as AV-Comparatives. In 2019, it was revealed that Windows Defender already had a market share of over 50% on Windows.

AV-Comparatives’ most recent test confirms Microsoft Defender’s high detection and protection rate, but also points out that the program’s offline detection rate is lower than the detection rate of most antivirus solutions. competitors.

According to the test results, Microsoft Defender had one of the worst offline detection rate results; it managed to detect 60.3% of all threats on offline devices. Only Panda Free Antivirus, with a detection rate of 40.6%, and Trend Micro Internet Security, with a detection rate of 36.1%, performed worse in the offline detection test.

The remaining 14 antivirus solutions offer better offline detection rates according to the test. Bitdefender and Total Defense Essential Antivirus, the latter using Bitdefender’s engine, detected 97.8% of all threats in testing. Many antivirus solutions have detected more than 90% on offline devices.

microsoft defender offline antivirus test
via AV Comparatives

Microsoft Defender performed better on internet-connected devices. The default Windows security solution detected 98.8% of all threats and had a protection rate of 99.96%, good test results but not the best result of all products tested.

AV Comparatives has moved from reporting detection rates to reporting detection and protection rates for all products tested. Antivirus programs don’t always detect inactive malware samples, but they can recognize them when they’re active. this explains the higher percentage of protection rates in the table.

Avast and AVG, the latter owned by Avast, scored 99.5% and 99.98% respectively, McAfee scored detection and protection rates of 99.3% and 99.97%, and G Data 98.6 % and 99.99%.

Microsoft Defender had 4 false alarms during testing. Five products had fewer false positives, one the same result as Microsoft. ESET’s Internet Security program was the only product without false positive alarms.

Closing words

Many devices have always-on internet connections. The offline detection test result highlights the importance of cloud connectivity and testing for Microsoft’s security product.

Now you: What security solutions do you use to protect your devices?


Microsoft Defender's protection capabilities suffer offline

Article name

Microsoft Defender’s protection capabilities suffer offline

The description

Microsoft Defender had a low offline detection rate in the latest Windows AV Comparatives antivirus test.


Martin Brinkman


Ghacks Technology News



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