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Data Breach Policy

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DATA BREACH POLICY – 28/08/2018 Gainsborough Town Council

Data Breach Policy
GDPR defines a personal data breach as “a breach of security leading to accidental or unlawful destruction, loss,
alteration, unauthorised disclosure of, or access to, personal data transmitted, stored or otherwise processed”.
Examples include:
• Access by an unauthorised third party
• Deliberate or accidental action (or inaction) by a controller or processor
• Sending personal data to an incorrect recipient
• Computing devices containing personal data being lost or stolen
• Alteration of personal data without permission
• Loss of availability of personal data
Gainsborough Town Council takes the security of personal data seriously, computers are password protected and
hard copy files are kept in manned or locked offices.
Consequences of a personal data breach
A breach of personal data may result in a loss of control of personal data, discrimination, identity theft or fraud,
financial loss, damage to reputation, loss of confidentiality of personal data, damage to property or social
disadvantage. Therefore a breach, depending on the circumstances of the breach, can have a range of effects on
Gainsborough Town Council’s duty to report a breach
If the data breach is likely to result in a risk to the rights and freedoms of the individual, the breach must be reported
to the individual and ICO without undue delay and, where feasible, not later than 72 hours after having become
aware of the breach. The Data Protection Officer must be informed immediately so they are able to report the
breach to the ICO in the 72 hour timeframe.
If the ICO is not informed within 72 hours, Gainsborough Town Council via the DPO must give reasons for the delay
when they report the breach.
When notifying the ICO of a breach, Gainsborough Town Council must:
i. Describe the nature of the breach including the categories and approximate number of data subjects
concerned and the categories and approximate number of personal data records concerned
ii. Communicate the name and contact details of the DPO
iii. Describe the likely consequences of the breach
iv. Describe the measures taken or proposed to be taken to address the personal data breach including,
measures to mitigate its possible adverse affects.
When notifying the individual affected by the breach, Gainsborough Town Council must provide the individual with
(ii)-(iv) above.
Gainsborough Town Council would not need to communicate with an individual if the following applies:
• It has implemented appropriate technical and organisational measures (i.e. encryption) so those measures
have rendered the personal data unintelligible to any person not authorised to access it;
• It has taken subsequent measures to ensure that the high risk to rights and freedoms of individuals is no
longer likely to materialise, or
• It would involve a disproportionate effort
However, the ICO must still be informed even if the above measures are in place.
Data processors duty to inform Gainsborough Town Council
If a data processor (i.e. payroll provider) becomes aware of a personal data breach, it must notify Gainsborough
Town Council without undue delay. It is then Gainsborough Town Council’s responsibility to inform the ICO, it is
not the data processors responsibility to notify the ICO.

Records of data breaches
All data breaches must be recorded whether or not they are reported to individuals. This record will help to identify
system failures and should be used as a way to improve the security of personal data.
Record of Data Breaches
Date of breach Type of breach Number of individuals
Date reported to
Actions to prevent
breach recurring
To report a data breach use the ICO online system:

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