100 ready-to-run cyber tabletop exercises across 15 incident domains. Search them, pick one at random, or tell us who will be in the room and we'll rank the scenarios that fit those people best. Every exercise shows who to involve, how long it runs and an outline — and the scenario prompt is free to copy and read out.
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Your help-desk software provider emails all customers at 18:00: an attacker accessed its production environment and "may have obtained" OAuth tokens that customers granted for integrations. Your instance has integrations with your CRM, your file-sharing platform and your code host, all granted with broad scopes two years ago by someone who has since left. The provider's notice gives no indicators, no timeline and a link to a status page. Your support team has 4,000 open tickets, many with customer attachments. The provider's account manager is not answering.
At 02:10 on a Sunday your on-call engineer sees the managed service provider's remote-management agent running a PowerShell script on every Windows server at once. The script disables backup agents and the EDR service. Your MSP's emergency line rings out. Their status page is fine. You have the console credentials for your own tenant but not for the MSP's master console, and their agent runs as SYSTEM on 340 servers and 1,200 laptops. Within ten minutes, file servers in two offices begin renaming files. What do you pull first?
It is Wednesday morning and 2,600 staff are due to be paid on Friday. Your outsourced payroll provider has been offline since last night. Its status page says "investigating a security incident affecting some systems" and gives no recovery time. Your payroll team cannot submit the final run, and the provider has the only copy of this month's calculated pay, tax and deductions. Social media already has posts from employees at other companies using the same provider. Your union representative has asked HR whether pay will arrive on time. The CEO wants a decision by noon.
A threat-intelligence feed your team subscribes to posts a new entry: a ransomware group claims to have stolen 600 GB from a small order-fulfilment company. You use that company to ship orders, and you send it customer names, addresses, phone numbers and order contents every day. The listing includes a file tree with a folder named after your brand. The vendor has not contacted you. When you call, the owner says they "had a computer problem last week" and that their IT provider is handling it. You are the data controller for those customers.
A national cyber agency publishes an alert on Thursday evening: a critical, unpatched flaw in the managed file-transfer appliance you use to exchange files with banks, insurers and two government departments is being exploited at scale. The alert lists a web-shell file name and asks organisations to check for it. Your appliance has that file, created four days ago. The appliance holds 30 days of transfers, including claims files with health information. The vendor says a patch is "coming within 48 hours". Your partners start emailing to ask whether you are affected.
Your filling-machine supplier emails every customer on a Thursday afternoon: an attacker had access to its remote-support platform for at least three weeks and 'may have used customer connections'. Your beverage plant gives this supplier always-on remote access to the line controllers so it can tune machines without a site visit. Your firewall shows sessions from the supplier's platform on four evenings when the supplier says no engineer was working. Its account manager wants the connection left open because a firmware fix is scheduled for Monday. Do you cut them off, and what do you look at first?
A severe storm has hit the region served by a 1,200-person home insurer, and claims calls are at five times normal volume. At 08:20 the cloud contact-centre platform your agents use for calls, chat and call recording goes down across the provider’s entire region. The provider’s status page says ‘investigating’ and gives no estimate. Agents can still log into the claims system but cannot take calls. Customers with flooded homes are getting a dead line, and local radio has started asking why. Your contract’s service credit is worth one month’s fees. What is your plan for the next eight hours?
On Tuesday morning a post on a hacking forum claims to offer the ‘full database of a national pet-insurance company, 4 million customers’ and shares a 200-row sample. Within two hours it is on social media, a tech news site asks for comment, and your share price falls 6% at the open. Your security team checks the sample: the rows are real customers, but the fields match an old marketing list a former partner held, not your systems. Your logs show no intrusion so far. Customers are calling to cancel. How sure do you need to be before you say ‘we were not breached’?
Your medical billing company, a business associate that processes claims for your 180-physician practice, sends a two-paragraph email: an unauthorised party accessed one of their file servers 'between March and June' and some of your patients may be affected. They found it 41 days ago. They have not said which patients, what data, or whether it was encrypted. Your compliance officer asks when your own 60-day clock started, and whether it started without you. Patients are calling the front desk after a local news story. What do you need from the vendor today, and who owns the answer?
At 07:15 on a Tuesday, your EU payment institution loses its core transaction database after a fault at the cloud provider that hosts it. Card authorisations are failing for about 40% of merchants across four member states. The provider's status page says 'degraded performance' and gives no estimate. By 09:00 your service desk has logged 2,300 merchant complaints. Your head of compliance asks the question nobody has answered yet: is this a major ICT-related incident under DORA, and if so, when did the clock start? The CEO wants to know what goes to the regulator, and when.
Your acquiring bank emails: card-fraud analysis links 212 fraudulent transactions to cards used on your online store over the past five weeks, and they want a forensic investigation. Your developers find nothing changed in your own code. Then a front-end engineer notices the checkout page loads a chat widget from a vendor's CDN, and the script now contains 40 extra lines of obfuscated JavaScript that post form fields to an unfamiliar domain. The widget is on every page, including payment. Peak-season trading starts in nine days. What do you remove, what do you keep, and what do you tell the bank?
Accounts payable at your industrial equipment manufacturer pays $860,000 to a long-standing steel supplier, and three days later the supplier asks where its money is. The bank details on file were changed through your supplier self-service portal two weeks ago, by a login using the supplier's own account. The same account uploaded six updated 'drawing packages' that your design engineers have since opened. Two other suppliers report odd password-reset emails from your portal. The portal is run by a SaaS vendor your procurement team chose. What do you check, freeze and tell suppliers today?
A threat-intelligence feed alerts you that your regional law firm has been listed on a ransomware group's leak site. The post shows a timer with 72 hours remaining, a list of client names, and three screenshots of documents that look like your matter files. There has been no ransomware outbreak and no ransom note, and IT finds nothing encrypted. Partners are asking whether this is real, whether clients must be told before the timer runs out, and whether anyone should contact the group.