Recognizing the Signs
Before any action can be taken, it is necessary to have an awareness
and understanding of the various signs that often indicate that a
compromise is occurring, or has previously occurred.
The reality is that there may not be any signs
at all to indicate a compromise. It is for this reason that the TSB
recommends periodic due diligence inspections as a proactive
preventative counter measure.
If you have the uneasy feeling that your private and confidential
correspondence, conversations, communications, or other forms of
information are not as private as you would like, you may be the victim
of one of the many forms of covert electronic or other form of
surveillance.
If you have reason to believe your conversations or private
information are being compromised, you likely should contact our office
and contract our professional TSCM services.
Our experience indicates that many of our clients have had a feeling
or other unclear indications that something was wrong, but had little in
the way of factual evidence, leading to hesitation in contacting our
office until considerable information had been compromised and this
become evidence.
At this point the damage has been done and often the eavesdropper is
long gone and little can be done to identify the true extent of the loss
of critical business or personal information.
Why Contact Our Technical Security Branch (TSB)?
It must be understood that you may observe one (1) or more of
the following compromise identifiers and
that these may or may not indicate the existence of an actual
technical compromise.
Alternately, there may not be any identifiable indications
of compromise at all and you may well be compromised.
It is for this reason that a due diligence, pro-active approach
in implementing a regular TSCM program is essential to detect, identify,
and resolve any potential technical compromises that may exist within
your business operation or personal activities.
It is our experience that many clients tend to
wait too long when he / she believes that a valid compromise may exist.
We recommend that you contact our office as soon
as possible when you have determined that you may have been compromised.
This approach can minimize the loss of personal or business information
and perhaps provide peace of mind in knowing whether or not a compromise
exists.
Please remember to contact our office from outside
the compromised area or facility to avoid tipping off the eavesdropper.
- Confidential information appears to have become common knowledge
beyond mere or reasonably explained coincidence.
- Others know about specific details of your personal and private business affairs.
Please understand that in most true intelligence gathering
scenarios, the attacker is not going to allow such clues to become
known to the victim of the interception.
- You experience an unexplained break-in at
your residence or business and nothing obvious appears to have been
taken. This is the type of situation that should prompt a due diligence
TSCM inspection.
- Door or window locks appear to have been tampered with or left
vulnerable, suggesting covert entry may have occurred. This may also be
an indication of other types of crime beyond interception of
communication.
- Interference has developed on your television (off air signals, not
cable television). There are many other explanations for this occurrence
and rarely is it due to eavesdropping devices given the vast amount
of RF interference present.
- A radio has started drifting off frequency or interference has
recently developed. There are many other explanations for this
occurrence and rarely is it due to eavesdropping devices given the
vast amount of RF interference present.
- Evidence suggests that ceiling tiles or panels have been removed
in an office or boardroom setting.
- Debris or dry-wall powder is observed on the floor or furniture
indicating a possible technical compromise.
- Wall plate covers for telephone, switches, and outlets appear to have
been removed and replaced.

- You notice unusual tones, sounds, or noise (static) on your telephone.
Although, this complaint is quite common, it rarely is the result of
wire-tapping.
- You notice changes in the volume or line quality when on the
telephone.
- You detect possible surveillance around your residence or place of
business.
- Information has come to light to suggest illegal
electronic (eavesdropping) or monitoring of your personal or
business communication may be
occurring.
- Due diligence is the best practice when
you feel you are at risk of potential compromise and it is recommended that most
business and corporate environments conduct periodic TSCM inspections
on monthly, quarterly, or annually depending on the perceived threat
level encountered.
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