All Closed Circuit Television (CCTV) systems that process data
must be notified to the Information Commissioner.
A system is deemed as ‘automatically processing’ data,
when that data can be retrieved automatically, by a method of
sequences. Therefore, if a system has a fast forward or rewind
facility on the VCR as its only means of searching for an image,
it means you are effectively using your eyes and judgment, which
means it would not be classified as ‘automatic
processing’.
If the VCR records and permits immediate location of an image,
e.g. by time and date, or frame numbering, where it is known
that particular data is stored, the system will come
under the Data Protection Act. So if a digital VCR can use technology
that enables it to search automatically for a known incident,
then it falls within the Act.
The DPA requires information to be obtained fairly and lawfully.
For CCTV, this means that appropriately sized and placed signs
are positioned in and around the area under surveillance. They
should contain a simple ‘purpose for the system message’ e.g.
to prevent and detect crime, and who owns the system with a contact
telephone number.
All recorded data/images need to be accurate. This is particularly
true if they are used as evidence or in a disciplinary dispute
with employees. The Information Commissioner recommends that
every effort be made to ensure clarity of image.
Users of CCTV systems must prevent unauthorised access to CCTV
control rooms/areas; all visitors must be authorised and recorded
in the visitors log and have signed the confidentiality proforma.
The DPA supports the right of the individual to a copy of any personal
data held about them. Therefore data controllers are obliged
to provide a copy of the tape if the individual can prove that
they are identifiable on the tape, and they provide enough detail
to locate the image (e.g. 1 hour before/after the time they believe
they were captured by CCTV, their location and what identifiable
features to look for). However, the request can be refused if
there are additional data/images on the tape relating to a third
party. These additional images must be blurred or pixelated out,
if shown to a third party.
All new systems installed since 1st March 2000 are required to
register under the DPA 98.
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