Marks and Spencer has told agency staff at a key logistics site to stay at home as disruption from a cyber attack against the retailer entered a second week.
Shares in the company dipped further on Monday morning amid the continued fallout.
The company has seen more than £700 million wiped off its stock market valuation since first facing problems.
M&S apologised to customers last week after orders and payments were impacted by a major “cyber incident”.
The company confirmed on Monday that the retailer has stopped taking orders from its website and app for a fourth day as a result.
It had already been unable to process click and collect orders and refunds in stores.
On Monday, the company ordered around 200 agency workers at its main distribution centre to stay at home due to the incident’s impact on orders.
An update from M&S pic.twitter.com/PSbIGHJtMY
— M&S (@marksandspencer) April 25, 2025
It confirmed that agency staff at its Castle Donington clothing and homewares logistics centre in the East Midlands were told not to come in.
Workers employed by M&S at the site are still working.
The retailer’s stores are still open and operating, and shoppers are still able to browse its website and app.
Contactless payments are also back online in stores after these were originally impacted by the cyber issue.
The company has taken action to protect its network and has also reported the incident to data protection supervisory authorities and the National Cyber Security Centre.
Susannah Streeter, head of money and markets at Hargreaves Lansdown, said the pause on online orders will be “hugely damaging for sales”.
“Fashion sales are likely to take a big hit particularly as the attack has come during the spell of warm weather when summer ranges would ordinarily be piling up in virtual baskets,” she added.
“While other retailers have not been immune to IT breaches, the depth of Marks and Spencer’s problems in resolving the issue are worrying, and it may take some time to win back some more warier shoppers.”
Shares were 2.2% lower at 377.3p on Monday morning.
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