- A former parliamentary staff member was arrested last week under the Computer Misuse Act 1990.
- Commons speaker Sir Lindsay Hoyle informed MPs about the 'security matter' on Monday.
- The arrest relates to unauthorised access to computer material, including intent to commit or facilitate further offences, and unauthorised modification of computer material.
- Sir Lindsay stated that the police investigation is ongoing and he would not discuss further details in the House.
- He added that he would update members when more information becomes available.
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