Researchers Identified New macOS GhostProfile Malware
The newly discovered GhostProfile implant clones browser profiles to exploit authenticated sessions on infected devices.
Updated on Oct. 13, 2026 in Cybersecurity
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Security researchers have identified a macOS malware implant called GhostProfile that operates by cloning user browser profiles. This hidden-VNC tool enables attackers to utilize authenticated sessions by running concealed copies of Chrome and Firefox.
Why it matters
By hijacking existing authenticated sessions, this malware allows unauthorized actors to bypass standard security measures that typically protect user accounts. It provides a stealthy method for ongoing access without needing to re-authenticate or trigger security alerts.
GhostProfile operates as a hidden-VNC implant that creates disposable clones of Google Chrome and Mozilla Firefox browser profiles. Unlike traditional VNC tools, it does not mirror the victim's screen, instead running concealed browser instances to hijack sessions.
The players
GhostProfile
GhostProfile is a newly identified macOS malware implant that specializes in cloning browser profiles and hijacking authenticated user sessions.
Google Chrome
Google Chrome is a widely used web browser that serves as one of the primary targets for GhostProfile session cloning.
Mozilla Firefox
Mozilla Firefox is a popular web browser that is susceptible to profile cloning by the GhostProfile malware.
The details
The malware functions by creating a cloned browser profile, which it then operates as a concealed process in the background. This architecture allows an attacker to perform browsing activities within the authenticated context of the victim while remaining invisible to the user.
Timeline
The report documenting the discovery of GhostProfile was published on October 13, 2026.
The Tech Race
This discovery marks an evolution in how virtual network computing (VNC) software is weaponized, shifting from screen-sharing to session-hijacking. It represents a significant departure from legacy remote-access malware by favoring stealthy persistence over visual control.
Users should be aware that their browser sessions could be accessed remotely without any visual indication on their screen. Regularly clearing cache, monitoring active login sessions, and using robust endpoint security tools can help mitigate risks from this type of hidden-VNC malware.
The takeaway
Security experts advise users to prioritize endpoint protection and remain vigilant regarding suspicious background processes on their macOS devices. The ability of GhostProfile to bypass authentication underscores the importance of utilizing hardware security keys whenever possible.
Further reading
For more on emerging threats, visit the Cybersecurity section.
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