Researchers Identified New macOS GhostProfile Malware
The malware gains persistent access to authenticated browser sessions by cloning user profiles for concealed activity.
Updated on Oct. 13, 2026 in Cybersecurity
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Security researchers have identified GhostProfile, a new macOS malware implant that clones browser profiles to hijack authenticated user sessions. This research-stage threat enables attackers to operate concealed instances of Chrome and Firefox without mirroring the victim's screen.
Why it matters
This development highlights an emerging shift in malware tactics away from visual screen monitoring toward session-level exploitation. By leveraging existing authentication, attackers bypass conventional login requirements to manipulate web services.
GhostProfile operates as a hidden-VNC (Virtual Network Computing) implant that creates disposable clones of local browser profiles. It executes these instances in the background, allowing unauthorized interaction with authenticated sessions.
The players
GhostProfile
A newly identified macOS malware implant that clones browser profiles to exploit authenticated sessions.
The details
The malware functions by creating a copy of Chrome or Firefox profiles, which it then runs as a concealed, headless browser instance. Unlike traditional remote-access tools that mirror a victim's active display, GhostProfile performs operations independently in the background. By maintaining these persistent profile clones, the threat actor can perform actions within the browser environment while using the user's active login credentials.
Timeline
October 13, 2026: Researchers published the identification of GhostProfile.
The Tech Race
GhostProfile represents a refinement of VNC technologies by shifting from screen projection to background process execution. This marks a departure from traditional remote-access tools that focus on visual monitoring, favoring stealthy session hijacking instead.
Users should be aware that unauthorized background browser activity can occur without immediate visual cues on their desktop. Standard security hygiene, such as regularly reviewing logged-in sessions and browser profile permissions, is recommended to mitigate the risk of session cloning.
The takeaway
GhostProfile demonstrates that browser-based authentication is a high-value target for session-persistent implants. Users and developers should monitor for anomalous background processes and audit active browser session logs to detect unauthorized usage.
Further reading
For broader trends in host-based security and session threats, see Cybersecurity.
Source note: This article includes information reported by IT Security News - cybersecurity, infosecurity news.
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