Offer a trusted route
Provide a known link to approved tools and a simple way to question unexpected instructions.
What this does—and does not—establish
Approving a platform does not validate every creator’s content.
Huntress traced two infections to deceptive Custom GPTs—user-made ChatGPT assistants.
Source: HuntressObservation reports; exact campaign boundaries unknown.
Following instructions installed malicious software enabling remote control.
HuntressEditorial analogy: a convincing notice inside a familiar building can still come from a stranger.
An analogy for the mechanism; not an additional claim about the incident.At least 40 related incidents; two confirmed through Custom GPTs. Huntress
An October 14 Huntress update reports continued impact and changing lure sites. Huntress
Malware capabilities do not prove data theft.
AI-written malware is not established.
A connection to Island’s earlier campaign is unproven.
Editorial lesson: knowing who owns a website does not tell you who wrote every page or instruction on it.
Attackers created the lure; users ran commands. Huntress
One GPT was removed by September 25; a replacement was found September 27. Huntress
Editorial connections for organizations protecting their own users and devices; these controls do not guarantee prevention.
Provide a known link to approved tools and a simple way to question unexpected instructions.
Approving a platform does not validate every creator’s content.
Investigate suspicious instructions together with browser and endpoint evidence, within authorized monitoring.
A visited page is different from executed software. Removing a lure does not clean an infected device.
Editorial connections to relevant controls, not evidence that a particular technology would have prevented this case. Each guide links to the security guidance behind its recommendations.
Explore the full AI security frameworkExplore more original accounts in the source report library ↗.
These are source-reported findings. An independent assessment, when available, is labeled explicitly.
01Read this case’s update history →
Reviewed Oct 15, 2026 · Editorial methodology · Structured data