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Privacy And Security Checklist: Home And Office Environments

Point of entry

Take a look around you before entering or closing the door. (Situational awareness)
Never open doors for uninvited guests.
Keep doors and windows locked by default.
Reinforce (at least) first floor doors and windows.
When leaving make sure the door is firmly closed.
Use curtains to block visibility through windows.

Indoors

Leave your desk empty when going elsewhere ("Empty desk rule").
Use lockers for sensitive documents.
Use computer security cables and cages.
Use headphones for confidential phone calls rather than speakers in order to avoid eavesdropping.
Don't leave mobile phones lying around unattended.
Position computer screens and projector screens in safe direction.
Install privacy screen protectors for all devices (mobile, tablet, laptop, desktop).
Use security/privacy envelopes for snail mail.
Use paper shredders.
Leave no password post-it notes lying around the office.
In office environments be cautious about unknown USB memory sticks.
Extra: Create an "off-grid meeting room" for the most confidential discussions. No Internet-enabled devices shouldn't be allowed in.

Outdoors

No shadowy hiding places outside. Large and clear field of vision.
Invest in proper indoor and outdoor lights. Use motion detectors.
Install CCTV.
Dogs.
Warning signs ("Beware of the dog" etc).

Social engineering prevention

In office environments create a habit to ask strangers (persons without ID card) what is their business and "how can you help them". This culture prevents social engineering attacks.
Establish access control in shared office environment: Verify all IDs.
If you can't verify the ID of a unknown phone caller, you should be cautious not to reveal confidential information.
If it is not an emergency, don't give your mobile phone to strangers however friendly they are.
If you feel something strange is going on around you (e.g. unknown subcontractors around, weird requests via phone, etc), contact someone and ask about it. Don't be left alone.

Conclusion

Create a standard operating procedure (SOP) if there are too many things to remember.
Train yourself on these topics and educate fellow people with your knowledge!

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Last updated: 19.9.2021

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