国家安全机关：碎纸机未必真平安，有人可将涉密信息提取还原

Core Viewpoint - The article emphasizes the importance of using shredders correctly to protect sensitive information, highlighting that seemingly reliable shredders can become sources of information leakage due to evolving methods of data recovery [1][4]. Group 1: Common Operational Vulnerabilities - Choosing shredder models based on convenience rather than compliance with destruction standards can lead to inadequate shredding results, increasing the risk of sensitive information leakage [2]. - Batch processing of sensitive and non-sensitive documents together can create a significant risk if the mixed shreds are not handled according to destruction standards, allowing malicious individuals to potentially recover sensitive information [2]. - Lack of regulatory oversight in the shredding process can lead to security vulnerabilities, such as staff leaving the area during shredding or failing to maintain proper records of destroyed documents, making it difficult to trace leaks [2]. Group 2: Best Practices for Shredding - Selecting shredders according to confidentiality standards is crucial, ensuring that devices meet security requirements and are equipped with features like automatic stop for jams and monitoring capabilities [3]. - Establishing a robust management and oversight system is essential, including appointing responsible personnel for maintenance and training staff on proper shredding practices to enhance risk awareness [3]. - Regular maintenance and checks of shredders are necessary to ensure they operate effectively and meet confidentiality standards, including cleaning and professional servicing to prevent leaks [3]. Group 3: National Security Guidelines - The National Security Agency emphasizes that sensitive materials must be destroyed using equipment that meets national confidentiality standards, ensuring that no recoverable information remains [4]. - The responsibility for secure destruction of sensitive materials is significant, and adherence to proper shredding protocols is essential for national security [4].