A security team discovered that sensitive project plans were mistakenly emailed to an external partner by an employee who did not recognize the restriction level of the files. Which measure is the BEST approach to reduce further accidental exposure of restricted material?
Block large outgoing attachments with a filtering mechanism
Hold recurring training sessions on classification and safe handling practices
Launch a program that enforces rigorous reports of questionable data transfers
Enable multi-factor sign-on across employee devices
Human error is more likely when there is a lack of clear guidelines and training. Providing structured education helps staff identify sensitive material before sending it. While automated filtering, multi-factor authentication, and incident reporting are valuable, they do not directly address staff understanding of correct procedures for handling confidential details.
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What is data classification, and why is it important in preventing accidental data exposure?
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How can regular training sessions improve staff awareness of data handling practices?
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Why are automated measures like filtering and multi-factor authentication insufficient by themselves to prevent data exposure?