The Notepad++ update incident illustrates a quiet but effective supply-chain attack vector.

Key aspects include selective traffic redirection, compromised update infrastructure, insufficient verification controls in legacy updater versions, and limited forensic artifacts. Mitigations now include signed update XML, installer certificate verification, and planned mandatory signature enforcement.

How are teams auditing third-party update mechanisms today?

Source: https://www.technadu.com/notepad-hijacking-incident-deploying-backdoor-linked-to-lotus-blossom-group-campaign/619507/

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