IDE Blind Spot: Malicious Extensions as a New Supply Chain Attack Vector

The GitHub incident reveals a critical paradigm shift in supply chain security: developer workstations and their tools are now the primary attack surface, not cloud infrastructure. A single compromised IDE extension—installed unknowingly by a developer—can exfiltrate API keys and credentials with the same access level as the developer themselves. This forces teams to rethink how they store, rotate, and protect sensitive credentials, shifting focus from network perimeter defense to client-side security practices that are often overlooked.