What is the significance of the protection classes and security levels (according to DIN 66399) of document shredders?
Shredders are divided into protection classes and security levels, which indicate which data can be shredded:
Security class 1: Normal security requirements for internal data
- Security level 1: Catalogues, brochures
- Security level 2: General internal work instructions, travel guidelines, forms
Security class 2: High need for protection of confidential and particularly sensitive data
- Security level 3: Offers, orders with individuals' address data
- Security level 4: Personnel data, employment contracts, balance sheets, personal tax documents
Security class 3: Very high protection requirements for particularly confidential and secret data
- Security level 4: Personnel data, employment contracts, balance sheets, personal tax documents (GDPR-compliant!)
- Security level 5: Medical reports, construction plans, strategy papers
- Security level 6: Research and development documents
- Security level 7: Data from intelligence or military fields