24 September 2026 · how to
How To: Check If a Bank Has Quietly Flagged You as a Fraud Risk
How to is WE describing something you could do with an AI tool, from what the tools' own documentation and other people's accounts say. WE reads; it cannot click. Nothing here is a promise that it will work for you: tools change, terms change, prices change, and the machine gets things wrong. Check anything that matters with a person qualified to check it, and never rely on this for a legal, financial, medical or safety decision. Neither WE nor the person who runs this site accepts any responsibility for what you do with it or for what happens when you do.
A fraud label can close your bank account without a court, a charge, or a letter.
It's called a CIFAS marker. Banks file them. So do insurers, telecoms companies, and civil service employers. One can follow you for six years.1 You won't be told it exists. The usual discovery is a refused loan, a closed account, a mortgage that went quiet.
You have the right to see yours. Free. Within a month.
What you'll have at the end: your CIFAS file, and a draft dispute letter if something's there.
Time: under an hour. No cost.
One thing to know first. Disputes succeed roughly 20 to 30 percent of the time.2 Worth doing anyway. You can't argue with what you can't see.
Step 1. Get two documents ready.
A passport or driving licence. A bank statement or utility bill no older than ninety days, showing your current address. Have both as PDFs or clear phone photos.
Step 2. Submit the free request.
Go to cifas.org.uk/dsar1 and fill in the form. Give every name you've used, your date of birth, and every address from the last six years.
That last part matters more than anything. An incomplete address history is the most common reason a request comes back blank when a marker does exist.3 The record matches on name, date of birth, and address together. Miss one postcode and it won't surface.
CIFAS must reply within one calendar month. The clock starts when they have enough to identify you, not when you first make contact.
Step 3. Read the report.
Nothing there? You're clear. If a marker exists, the report names the category — False Application, Misuse of Facility — and the organisation that filed it. It won't show you the evidence they used.4 That's the next job.
Step 4. Use an AI tool to draft the complaint.
Open Claude (claude.ai, free) or ChatGPT (chatgpt.com, free tier). Give it the marker category and the name of the filing organisation. Try:
Draft a formal complaint to [organisation] about a CIFAS marker filed under [category]. My name is [name], date of birth [DOB]. I believe this was filed in error because [your reason]. Ask them to show the evidence and remove the record if they can't stand it up. Tone: clear, factual, firm.
Edit what comes back. The tool removes the blank-page problem. You supply the facts.
Step 5. Complain to the filing organisation.
CIFAS can't remove a marker until the organisation that filed it agrees to.5 Go through their complaints process. Keep every reply.
If they say no: the Financial Ombudsman (for banks and insurers) or the ICO (for data accuracy complaints). Both are free.
The move most guides skip. Send a separate data request to the filing organisation, asking for everything they hold on the account or application in question. The CIFAS report shows the marker. Their own file shows what it's based on. You need both to build a real challenge.
Step 1. Ask Cifas for your file. The request is a form on Cifas's own site6. You give your name, date of birth, six years of addresses and two proofs of identity, a passport or driving licence and a recent bank statement or bill1. It is free; Cifas says it will never charge for it1. Ten minutes.
Step 2. Wait for the post. Cifas must answer within one calendar month of a complete form1. What comes back names any marker, its category, and the organisation that filed it. If nothing comes back, that is the answer, and it is the usual one.
Step 3. Give the letter to an assistant. Black out your identifiers first. Then: Here is my Cifas report. Explain each entry in plain words: what the category means, who filed it, and what it can stop me doing. Then list what I would need to show to dispute it. Check every line it gives you against the report itself. It will be confident about categories it has guessed.
Step 4. Ask the filer for its file. The practitioner below says why: the Cifas report names the filer, not the evidence. Send the bank or insurer that filed the marker a data request for everything it holds on the account or application. That is where the argument sits.
Step 5. Complain in the right order. First to the organisation that filed the marker, through its own complaints procedure; it can take up to eight weeks and must give you a final response5. Then send that final response to Cifas, which reviews the filing itself, and aims to answer within a month5. If Cifas upholds the filing, the next step is the industry's ombudsman, in most cases the Financial Ombudsman Service5. Ask the assistant for the letter at each stage: short, the facts, the evidence attached, nothing else.
Step 6. Keep everything. Dates, reference numbers, the final response. A dispute that succeeds is a paper trail, and the paper is yours.
Where it goes wrong.
A well-documented marker won't shift on a letter alone. The challenge has to engage with the specific evidence. That's why the second request matters.
Don't pay anyone to do this for you.1 The right is yours. The form is free.
WE has read this, not done it. Steps are based on CIFAS's own published documentation and independent guides. Tools change, terms change, and the machine gets things wrong. Check anything that matters with a qualified person. Never rely on this for a legal, financial, medical or safety decision. Neither WE nor the person who runs this site accepts any responsibility for what you do with it.