Malicious damage

Unlawful damage committed by individuals motivated by ill will in circumstances not amounting to a riot. Riot cover normally extends to cover damage caused by malicious persons acting on behalf of a political organisation. Malicious damage can be covered more generally as an additional peril subject to an excess and the exclusion of loss by theft.
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Deliberate damage by individuals in circumstances that do not constitute a riot.

Malingering

To deliberately pretend or fake symptoms of a disease or injury to intentionally profit in some way to reach a desired end (collect insurance benefits) or to feign symptoms as the result of mental illness.
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US: The practice of feigning illness or inability to work in order to collect insurance benefits.
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To feign a disability for the purpose of continuing to collect benefits longer than actually necessary.

Malpractice

Alleged professional misconduct or lack of ordinary skill in the performance or a professional act. A practitioner is liable for damage or injuries caused by malpractice.
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US: Improper care or treatment by a physician, hospital, or other provider of health care.
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MEDICAL,USA: Professional misconduct or lack of ordinary skill in the performance of a professional act that results in damage to another person. A physician is liable for damages or injuries caused by malpractice. Also see malpractice insurance .
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REFERENCE: See: Professional liability.