Data Loader is a Salesforce utility used to import, update, delete, or export large volumes of records in bulk. It is designed for administrators and trusted operators who need faster data handling than standard point-and-click tools allow.
In cyber security, Data Loader matters because the same power that makes it useful can make it dangerous. If an attacker steals a valid account, session token, or integration credential, they may use Data Loader or similar bulk workflows to pull large datasets quietly, without deploying malware. Defenders watch for unusual export activity, excessive API use, and data movement from accounts that should not handle mass exports. Limiting permissions, requiring strong authentication, and reviewing logs for bulk operations help reduce the risk of data theft and unauthorized changes.