How ECS Stopped a Fileless Credential Theft Attack in Seconds with Layered Security
- Employees: 11-50
- Founded: 1983
- Customer since: 2018
- N-able solutions: Adlumin MDR, EDR
About ECS
When a fileless malware attack attempted to steal credentials using a hidden PowerShell command, ECS Computers’ layered security approach stopped the threat before it could cause damage. By combining N‑able EDR, Adlumin MDR, and expert Service Desk validation, ECS detected, contained, investigated, and remediated the incident within minutes, ensuring business continuity and preventing any loss of credentials or data.
Challenge
A sophisticated fileless malware attack attempted to download and execute malicious code through a hidden PowerShell process, leaving no file on disk and no visible indication to the user. Because the attack leveraged legitimate Windows tools rather than traditional malware files, it was designed to evade signature- based antivirus solutions. Its objective was to harvest stored browser credentials that could potentially provide unauthorized access to the broader business environment.
Results
ECS successfully neutralized the attack within seconds using automated behavioral detection from N‑able EDR, preventing the malicious payload from fully executing. Adlumin MDR verified that the threat had not established persistence, escalated privileges, or moved laterally, while ECS engineers validated the endpoint, blocked malicious indicators, and hardened defenses. The incident was contained to a single workstation, no credentials were compromised, no data was lost, and the affected user was able to continue working with minimal disruption.
