ThreatCluster

GhostPoster Attack Compromises 50,000 Firefox Users via PNG Icons

First seen 17 Dec 2025, 20:56 UTC •CybersecuritynewsGbhackers •93% similarity •27

Article Content

Browse articles
ThreatCluster

The GhostPoster malware campaign has compromised approximately 50,000 Firefox users by exploiting browser extensions that disguise malicious payloads within PNG icons. This attack utilizes a steganography technique to conceal the malware, making it difficult for users to detect the threat. Affected extensions include seemingly benign applications like 'Free VPN Forever.'

ThreatCluster AI

Extracted Entities

1 / 2

Community

Browse all →