Physical security of information in the office

Keep the office locked at all times, including doors and windows. Use keys that require specific authorisation to be copied and keep track of all copies. Do NOT give keys to third parties, even maintenance and cleaning staff, and make sure you or someone you trust is always present when third parties are in the office. If this is not possible, make sure you have a room with limited access where vulnerable files are kept. Consider locking all office doors and leaving non-confidential waste outside in the hallway at night.

Use a cross-cut shredder for anything confidential. Strip shredders are mostly useless. For disposing of particularly confidential material, consider burning the shreddings, pulverizing the ashes and flushing the ashes down the toilet.