Evaluate the performance of Microsoft Defender

Around 1.7% of Abnormal detections overlap with Defender’s. It adds 19.7% in promotional message detection, with gains for spam (0.63%) and malicious content (0.24%). It generates 1.52% non-malicious detections, primarily affecting legitimate messages. Microsoft Defender contributed 56.5% to post-delivery filtering of malicious emails.

Around 0.98% of Checkpoint Harmony detections overlap with Defender’s. It adds 1.77% in promotional message detection, with gains for spam (0.05%) and malicious content (0.04%). It generates 0.22% non-malicious detections. Microsoft Defender contributed 79.8% to post-delivery filtering of malicious emails.

Around 1.28% of Cisco detections overlap with Defender’s. It adds 9.02% in promotional message detection, with gains for spam (0.27 %) and malicious content (0.2%). It generates 1.33% non-malicious detections. Microsoft Defender contributed 72.7% to post-delivery filtering of malicious emails.

Around 10.65% of Darktrace detections overlap with Defender’s. It adds 16.6% in promotional message detection, with gains for spam (0.65%) and malicious content (0.24%). It generates 9.84% non-malicious detections. Microsoft Defender contributed 66.95% to post-delivery filtering of malicious emails.

Around 0.15% of KnowBe4 Defend detections overlap with Defender’s. It adds 36.93% in promotional message detection, with gains for spam (0.02%) and malicious content (0.02%). It generates 5.99% non-malicious detections. Microsoft Defender contributed 95.6% to post-delivery filtering of malicious emails.

Around 0.59% of Tessian detections overlap with Defender’s. It adds 5.76% in promotional message detection, with gains for spam (0.18%) and malicious content (0.88%). It generates 0.51% non-malicious detections. Microsoft Defender contributed 31.5% to post-delivery filtering of malicious emails.

Around 1.96% of TrendMicro detections overlap with Defender’s. It adds 18.77% in promotional message detection, with gains for spam (0.18%) and malicious content (0.05%). It generates 2.20% non-malicious detections. Microsoft Defender contributed 96.4% to post-delivery filtering of malicious emails.