When it comes time to retire that ICS device, some care should be taken with the way it is disposed of.
Proper decommissioning and disposal of ICS devices should take care of:
- Efficient data sanitization of the ICS storage media devices such as hard drives, memory cards, and flash memory:
- Set a standard level of media sanitization requirements. NIST wrote a guideline on how to accomplish sanitization to various degrees of criticality, found at http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-88r1.pdf.
- Decide which ICS devices can be repurposed, reused, ...
