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THE NEW DIN 66399 FOR DESTRUCTION OF DATA CARRIERS
The determination of the protection requirements and the allocation of the protection class as well as the security levels serve the classification of arising data.
For the first time the norm defines different material classifications, also reflecting the size of the information presented on the data carrier (paper documents, optical, magnetic or electronic data carriers and hard drives).
Instead of the previous five security levels, the new DIN 66399 now defines seven security levels. One major difference is the new security level P-4 with a material particle surface of maximum 160 mm², the previous level 4 becomes level P-5 and the previous level 5 becomes P-6. “Level 6”, which was not previously reflected in the DIN norm, will become level P-7.
For example paper documents (P for paper)
Recommended for instance for data carriers with internal data, which have to be made illegible. Material particle surface ≤ 800 mm² or strip width ≤ 6 mm Strip length not determined.
Recommend for instance for data carriers with sensitive and confidential information. Material particle surface ≤ 320 mm² (for example particles 4 x 80 mm) or strip width ≤ 2 mm Strip length not determined.
Recommended for instance for data carriers with especially sensitive and confidential information. Material particle surface ≤ 160 mm² and for regular particles: strip width ≤ 6 mm (for example particles 4 x 40 mm).
Recommended for instance for data carriers with secret information. Material particle surface ≤ 30 mm² and for regular particles: strip width ≤ 2 mm (for example particles 2 x 15 mm).
Recommended for instance for data carriers with secret data in case extraordinarily high security precautions have to be respected. Material particle surface ≤ 10 mm² and for regular particles: strip width ≤ 1 mm (for example particles 0.8 x 12 mm).
Recommended for instance for data carriers with strictly confidential data in case the highest security precautions have to be respected. Material particle surface ≤ 5 mm² and for regular particles: strip width ≤ 1 mm (for example particles 0.8 x 5 mm).