Kevin BeaumontThe Grocer reports 4 regional Co-ops, who aren’t part of Co-op Group, are suffering stock shortages as they are supplied by Co-op Group.
They expect customers to start to see availability issues on shelves in the coming days.
For orgs looking for defence tips for the attacks on UK retailers, this blog from 2022 about the UK teenagers in LAPSUS$ has relevance.
As a plot twist - not documented anywhere online, but LAPSUS$ first attacks in 2021 were against UK high street retailers.
DEV-0537 criminal actor targeting organizations for data exfiltration and destruction | Microsoft Security Blog
The activity we have observed has been attributed to a threat group that Microsoft tracks as DEV-0537, also known as LAPSUS$. DEV-0537 is known for using a pure extortion and destruction model without deploying ransomware payloads.
Co-op Group have provided some more detail about what it’s doing about remote lifeline stores (ones where they’re the main/only retailer on an island):
“From Monday, 12 of the most remote lifeline stores will receive treble the volume of available product, and another 20 lifeline stores will get double the volume.” https://www.bbc.com/news/articles/c071e7x80djo
This ITV News report linking the Co-op and M&S breaches to SIM swapping is not accurate, no source given. https://www.itv.com/news/2025-05-12/sim-swap-fraud-rises-by-1000-as-criminals-exploit-two-factor-authentication
They also have a report today saying Co-op stores are restocked, which is also not accurate - that one is sourced from Co-op, but obviously doesn’t stack up to looking in Co-op stores.
If anybody is wondering, all of Marks and Spencer's Palo-Alto GlobalProtect VPN boxes are still offline, 3 weeks later. Pretty good containment method to keep attackers out.
Co-op's VDE environment is still down, too.
https://cyberplace.social/@GossiTheDog/114399017367179104
Co-op's AGM is this weekend, and M&S yearly results and investor contact are next week.
Gonna be awkward for different reasons, e.g. Co-op is member (customer) owned, so the people's data Co-op had stolen are effectively the shareholders and are invited.
The Grocer reports Nisa and Costcutter are running out of fruit & veg, fresh meat and poultry, dairy products, chilled ready meals, snacks and desserts.
Nisa and Costcutter are supplied by Co-op Wholesale, which is dependent on Co-op Group.
“It’s really poor. I feel bad for them but what makes it worse is their hush-hush mentality about it. There’s no proper level of communication and we get random updates.”
Co-op Wholesale claim there are no problems. https://www.thegrocer.co.uk/news/nisa-and-costcutter-hit-by-stock-shortages-amid-co-op-cyberattack/704393.article
Co-op Group have told their suppliers that "systemic-based orders will resume for ambient, fresh, and frozen products commencing Wednesday 14 May". They say forecasting system will still be impacted.
https://www.thegrocer.co.uk/news/co-op-to-get-systems-back-on-track-after-cyberattack/704425.article
Co-op Group say they have exited containment and begun recovery phase https://www.theguardian.com/business/2025/may/14/co-op-cyber-attack-stock-availability-in-stores-will-not-improve-until-weekend
Marks and Spencer are still in containment
If you want figures for your board to set expectations in big game ransomware incidents, Co-op containment just over 2 weeks, M&S just over 3 weeks so far - recovery comes after.
In terms of external assistance, Co-op have Microsoft Incident Response (DART), KPMG and crisis comms. M&S have CrowdStrike, Microsoft, Fenix and crisis comms.
The threat actor at Co-op says Co-op shut systems down, which appears to have really pissed off the threat actor. This was the right, and smart, thing to do.
While I was at Co-op we did a rehearsal of ransomware deployment on point of sale devices with the retail team, and the outcome was a business ending event due to the inability to take payments for a prolonged period of time. So early intervention with containment was the right thing to do, 100%.
M&S have finally told staff that data about themselves was stolen: https://www.telegraph.co.uk/business/2025/05/16/ms-staff-data-stolen-by-hackers-in-cyber-attack/
You may notice I said they had staff data stolen on May 9th in this thread.
For the record, the tools listed in this article aren't used by Co-op.
The link in the article to Vectra Cognito AI has a Coop Sweden logo on it, and the Coop Sweden CISO is named. Coop Sweden is different company. Coop Sweden went on to have a ransomware attack that crippled the org, including point of sale, so I don't think it's a good sales point. Same with Silverfort.
Google AI has ingested the article and now uses it to claim Co-op Group use the tools.
The Times reports M&S were breached through a contractor and that human error is to blame. (Both M&S and Co-op use TCS for their IT Service Desk).
The threat actor went undetected for 52 hours. (I suspect detection was when their ESXi cluster got encrypted).
M&S have told the Times they had no “direct” communication with DragonForce, which is code for they’re using a third party to negotiate - standard practice.
https://www.thetimes.com/uk/technology-uk/article/m-and-s-boss-cyber-attack-7d9hvk6ds
M&S looks to be moving to reposition their incident as a third party failure, which I imagine will help redirect some of the blame (they present their financial results during the week to investors): https://www.bbc.co.uk/news/articles/cpqe213vw3po
Both M&S and Co-op outsourced their IT, including their Service Desk (helpdesk), to TCS (Tata) around 2018, as part of cost savings.
There's nothing to suggest TCS itself have a breach btw.
Basically, if you go for the lowest cost helpdesk - you might want to follow the NCSC advice on authenticating password and MFA token resets.
I've put a 3 part deep dive blog series coming out probably next week called Living-Off-The-Company, which is about how teenagers have realised large orgs have outsourced to MSPs who follow the same format of SOP documentation, use of cloud services etc. Orgs have introduced commonality to surf.
Matthew Skelton@GossiTheDog yeah, breach the "low cost" IT outsourcer - whose staff feel little connection or affinity with the corporate customer - and *bingo* you hit the jackpot 🎰 with multiple corporate accounts to ransom.
How's that "low cost IT outsourcing" looking now?
Roger BW 😷