IT Services Circle
Nov 27, 2025 · Information Security
How a Fired Contractor Crippled Waste Management with a Simple PowerShell Script
A former IT contractor at Waste Management exploited his insider knowledge after being terminated, using a self‑written PowerShell script to reset thousands of accounts, causing a nationwide outage that cost over $860,000 and highlighted critical gaps in enterprise permission revocation processes.
Account TakeoverCISAPowerShell
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