- Third parties are aware or seem to know confidential information.
- Information during private meetings or conversations has become public.
- Your activities are known by people when they shouldn't be.
- Others know your confidential business or professional trade secrets.
- Your rivals offer, or quotes are competitive by minimal margins.
- You or your business have been the victim of a burglary, but nothing or small value items got stolen.
- Signs of a forced window or door.
- Wallplates or electrical sockets appear to have been moved or tampered.
- You noticed drywall dust or ceiling tile debris on the floors, desks or tables.
- Ceiling tiles are cracked, chipped, broken, or out of place.
- Your door locks suddenly sticky, fail, or don't feel right.
- Furniture slightly moved.
- Someone rummaged through your home or office, but nothing is missing.
- A small-sized discolouration has suddenly appeared on the wall.
- Lamp, clock, smoke detector, or exit emergency sign in your home or office look crooked, has a small hole in the surface.
- Your electronic devices, including TV, radio, wireless communication has suddenly developed strange interference.
- Strange sounds or volume changes on your phone lines.
- Static, popping, or scratching on your phone lines.
- Noise from the phone when it's hang up.
- Heard for a short time from your landline phone high pitched squeal, beep, far-off tone, or rings often but nobody is answering.
- Hearing high-pitch sounds. (Case study)
- ``Phone engineer``, cable, boiler technician, plumbing, or utility workers turn up to perform maintenance work when no one called them.
- Gifts - any electronic device such as a power adapter, phone charger, USB cable, clock, radio, phone, lamp, speaker, ALEXIA/ECHO (or similar).
- New items appear in your office or home without your knowledge.
- Unknown vehicles, Contractors vans are parked nearby your target area for extended periods.
- You have been the subject of surveillance (pursuit).