Security Bite: Trojan malware dominates Mac, now half of all detections, says Jamf
Trojan malware now accounts for half of Mac detections.
Jamf's latest Security 360 report reveals a dramatic rise in trojan malware on macOS devices, which now makes up over half of all malware detections. This marks a significant shift in the malware landscape, with trojans, particularly the Atomic Stealer, becoming the most prevalent threat. The report also highlights concerning trends, such as a high percentage of devices experiencing malicious network traffic and many running outdated operating systems.
Key Takeaways
- 1.
Trojan malware detections rose to 50.32% of all Mac malware in 2025.
- 2.
The dominant trojan, Atomic Stealer, accounted for 77.08% of all trojan activity.
- 3.
44% of devices using Jamf experienced malicious network traffic.
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