WPP said it was taking “appropriate measures”, but some Twitter users reported that entire office systems were down, with a demand to decrypt files in exchange for money.

Bauer Media has today announced the appointment of Nicky Holt as group commercial director at Bauer Specialist.

The Crystal Maze will return to Channel 4 at 9pm on Friday 23 June.

Unsurprisingly, in the run-up to the general election, the majority of online news sites recorded a boost in traffic in May, with some big increases across the board.

Both the Daily Telegraph and The Times increased their daily circulation by 2.5% period-on-period in May, while i was up 1.2%.

The Customer Framework is a marketing transformation consultancy based in London.

Nick Hugh has been named as the new chief executive of Telegraph Media Group, following the departure of Murdoch MacLennan after 13 years.

Ireland joins the from Facebook’s Atlas, where he served as senior solutions consultant. He also has experience in programmatic technologies and technical consultancy from past roles at AppNexus and IBM.

Ben Price joins from Future Publishing where he focused on developing operational processes, products and strategies.

Leading figures from across the media industry share their reactions to the unfolding news.