Certainly GAUER

Play it safe!


For sure! Gauer Daten- und Aktenvernichtungs GmbH is an approved and registered specialist for document and data storage media destruction and as such we hold BVSE certification from Germany’s Federal Association for Secondary Raw Materials and Disposal.

Our security policy is based on the seamlessly verifiable chain of custody of all our procedures. We record the collection of each container. We use a specially designed GPS tracking system to monitor our transport routes. From our headquarters we can track the positions of each of our vehicles in real time and monitor their current operational status. All procedures are documented so that they can be reconstructed at any time if necessary.

We provide you with detailed documentation recording every step of our service process:

From container pick-up via transport and shredding to final recycling.


Gauer: Document and data destruction in accordance with DIN Standard 66399

Our document and data destruction is carried out in accordance with the German industry standard DIN 66399.

This DIN standard categorizes data according to their material characteristics, e.g. paper, CD/DVD or hard disk. It defines protection classes and specifies security levels depending on the confidentiality level. The protection class specifies the individual details of the process: from the provision and collection of the data container to the destruction of its contents.

The security level indicates the maximum permitted particle size after the destruction process.

Protection classes and security levels at a glance

Protection Classes:
  • Protection class 1:

    Normal protection requirement for internal personal data including such items as telephone lists, product lists, supplier data or address data.

  • Protection class 2:

    High protection requirement for confidential data including such items as accounting documents, balance sheets, annual financial statements and internal business reports.

  • Protection class 3:

    Very high protection requirement for particularly confidential and secret data. This means highly sensitive data such as documentation related to witness protection programs or information from the Federal Government or States. It may also include research and development-related documents.

Security levels:
  • Security Level 1:

    General documents that need to be rendered illegible, for instance obsolete advertising material such as brochures or catalogues. Reproduction of destroyed data possible with relatively simple means.

  • Security Level 2:

    Internal documents that need to be rendered illegible, for instance internal company communications, such as out-of-date instructions, forms or notices. Reproduction only possible with special effort.

  • Security Level 3:

    Data storage media with sensitive, confidential data and personal data subject to high protection requirements, e.g. tax documents, order forms containing personal address data. Reproduction only possible with considerable effort.

  • Security Level 4:

    Data storage media with particularly sensitive, confidential data and personal data subject to high protection requirements, such as balance sheets, salary statements, personnel data, employment contracts or medical reports. Reproduction only possible with exceptional effort.

  • Security Level 5:

    Data storage media with confidential information of existential importance for a person, a company or an institution, e.g. patents, construction documents, strategy papers, litigation documents. Reproduction only possible using dubious methods.

  • Security Level 6:

    Secret high-security data such as research and development documentation, official confidential information. Reproduction technically not possible.

  • Security Level 7:

    Strictly confidential high-security data. This refers to data from the intelligence services or military sector. Reproduction impossible.

Each data storage medium is also given a code.

P – Content held in original size:

Paper, film, printing plates

F – Content held in reduced-format size:

Film, microfilm, slide

O – Content held on optical storage media:


T – Content held on magnetic storage media:

Floppy disks, ID cards, magnetic tape cartridges

H – Content held on hard disks with magnetic storage media:

Hard disk drives

E – Content held on electronic storage media:

Memory stick, chip card, semiconductor hard drive, mobile communication media

There are specific, defined particle sizes which must be adhered to, depending on the storage medium and security level.

The Security levels P1 - P5*

Particel sizes with DIN Standard 66399-2

Categorie P (Representation in original size)

  • P 1 – 2000 mm²
  • P 2 – 800 mm²
  • P 3 – 320 mm²
  • P 4 – 160 mm²
  • P 5 – 30 mm²


10% of the total quantity may have the following maximum particle sizes:

  • P 1 – 3.800 mm²
  • P 2 – 2000 mm²
  • P 3 – 800 mm²
  • P 4 – 480 mm²
  • P 5 – 90 mm²