Jamf's 2026 Security 360 report says Trojans represented more than half of the Mac malware in its 2025 dataset, based on analysis of more than 150,000 devices. That does not mean every Mac has a fifty-percent chance of infection. It does show why users and defenders should pay attention to credential theft, persistence and unfamiliar software behavior.
What Jamf measured
Adware remains a problem, but current Mac threat reporting also emphasizes Trojans and infostealers built to steal credentials, browser data, and cryptocurrency assets.
In Jamf's dataset, Trojans accounted for more than 50% of observed Mac malware. Infostealers such as Atomic Stealer can be disguised as legitimate software and may target passwords, cryptocurrency wallets, and browser data. The percentages describe Jamf's observed dataset, not the entire Mac population.
Why one detection layer is not enough
The practical concern is that unfamiliar malware may change its file, infrastructure, and delivery path faster than a single detection layer can be updated.
Signatures and hashes remain useful for known threats, but a previously unseen or changed sample may require additional evidence. Process behavior, origin, reputation, and network activity can help fill that gap. No one layer catches everything.
Where PhantomProtect fits
PhantomProtect is still in development. Its target architecture combines known-threat checks with process, file, behavior, and network evidence. A specific detection or blocking claim will be published only after the applicable release candidate passes the matching scenario.
When malware contacts command-and-control infrastructure or attempts to send data, network policy may provide another opportunity to alert or block. The current design uses Apple's native Network Extension filtering APIs.
This avoids routing all traffic through a product-created packet tunnel. It does not mean every connection is malicious, every destination is known, or filtering has zero performance cost.
The current design is built around these ideas:
- Behavioral context: Endpoint events can help identify suspicious process chains and changes that deserve attention.
- Local policy: Available connection context can be checked against enabled rules and current threat intelligence.
- Visible limitations: Alerts and dashboards should show when permissions, components, or intelligence are missing or stale instead of presenting silence as safety.
A practical takeaway
Mac security works best as a set of layers: current software, careful installation decisions, backups, account protections, and security tools that explain what they can and cannot see.
Join the launch waitlist for PhantomSecure development and future testing updates. No build is currently available.