A former parliamentary staff member was arrested last week under anti-hacking laws.
Commons speaker Sir Lindsay Hoyle revealed the arrest on Monday as he gave a statement on a “security matter” to MPs.
Speaking at the start of business in the House of Commons, Sir Lindsay said the former employee had been detained under the Computer Misuse Act 1990.
The law covers unauthorised access to computer material, includes intent to commit or facilitate further offences, and unauthorised modification of computer material.
“I want to make a brief statement about a security matter,” Sir Lindsay said.
“I’ve been informed by the police that a former parliamentary employee was arrested last week under the Computer Misuse Act 1990.
“The police investigation is ongoing. As you know, we do not discuss the details of such issues on the floor of the House.
“This is an ongoing criminal investigation. I do not intend to take any further point of order on this matter. I will update members when I’m in a position to share more information.”
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