When traditional security tools failed to detect infostealer malware on employee devices, a leading consumer goods company turned to HackNotice for help. Through real-time dark web monitoring tied to its email domain, HackNotice exposed hidden infections—even on personal or unmanaged devices—allowing the cybersecurity team to lock down compromised accounts and prevent broader incidents. This case study shows how HackNotice’s First Party Monitoring became a vital layer in closing EDR visibility gaps and accelerating response to stealthy credential threats.