Hidden in Plain Sight: How the GhostPoster Campaign Injected Malware Into 50,000 Firefox Users Malware Hidden in Plain Sight: How the GhostPoster Campaign Injected Malware Into 50,000 Firefox Users ddos December 18, 2025 Researchers at Koi Security have identified a new malicious campaign dubbed GhostPoster, targeting users of the Firefox... Read More Read more about Hidden in Plain Sight: How the GhostPoster Campaign Injected Malware Into 50,000 Firefox Users
