Why Infostealers Are Targeting macOS in 2026
After years of relative quiet, macOS has become a hotbed for infostealer malware. The shift is driven by the growing market share of Apple devices and the increasing value of the data they hold.
How Infostealers Reach Your Mac
These threats use several delivery vectors that exploit both user behavior and software supply chains.
- Compromised installer packages from legitimate developers.
- Malicious browser extensions and phishing links.
- Side‑loaded apps via third‑party app stores.
Evolution Beyond Simple Data Theft
Modern macOS infostealers have expanded their capabilities beyond credential grabbing.
- Persistence mechanisms that survive system updates.
- Keylogging and screen capture modules.
- Remote command‑and‑control channels for exfiltration.
Expert Recommendations from Moonlock Lab
Kseniia and Mykhailo of Moonlock Lab share practical steps to harden your Mac.
- Keep macOS and all apps up to date.
- Only install software from the App Store or verified developers.
- Enable Gatekeeper and notarization checks.
- Use a reputable endpoint protection solution.
- Regularly audit privacy and security settings.
Conclusion
The infostealer threat to macOS is real and evolving. By staying informed and following the security best practices outlined above, users can significantly reduce their risk.