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Exec x AISay No to Shadow AI

A five day campaign from Exec x AI. 7 to 11 September 2026.

Say No to Shadow AI

Five confessions from people who were only trying to get the job done.

  1. An AI generated photograph of a young man in a pale shirt against a dark grey background, eyes wide and mouth open as though caught out, with the caption But Chat Me Tee told me to do it, attributed to James, Candidate Success Lead.Day 1But Chat Me Tee told me to do it!
  2. AI generated studio photograph of a man in his thirties seen from behind against a plain light grey background, wearing a cream knitted jumper, head turned to one side, fingers crossed behind his back. Caption reads: I installed OpenPaw on my work laptop last night. Attributed to João, Finance Manager.Day 2I installed OpenPaw on my work laptop last night
  3. AI generated studio photograph of a barrister in a white court wig and black gown with white bands, seen from the chest up against a plain light grey background, head turned to look over his shoulder with a guarded expression. Caption reads: I used Maude's free AI app to draft legal advice for a client. Attributed to George, Lawyer.Day 3I used Maude's free AI app to draft legal advice for a client
  4. AI generated studio photograph of a woman in her late thirties with dark hair tied back, wearing a grey collarless blouse, facing the camera directly against a plain pale grey background with a level, unreadable expression. A translucent panel across the lower half carries the caption in dark serif type: Our financial results were available three weeks before we published them. Below it, in small capitals: Stacy, Finance Director.Day 4Our financial results were available three weeks before we published them
  5. AI generated studio photograph of a woman in her thirties with shoulder length fair hair, wearing a plain cream blouse, against a plain light grey background. One hand is raised slightly, caught mid gesture, and she is speaking with the open expression of someone explaining something she believes was helpful. A translucent panel across the lower half carries the caption in dark serif type: I connected DeepReek to our HR system to speed up reviews. Below it, in small capitals: Kate, HR Business Partner.Day 5I connected DeepReek to our HR system to speed up reviews

The problem is not your people

At Exec x AI we are focussing on the dangers of shadow AI and what it costs companies in fixes, fines and repairs to their IT systems.

The weakest link is the employee. Not through malice. Employees try to do the right thing and end up using shadow AI because their employer has not sanctioned a safer alternative.

The result?

  • Data breach
  • Loss of confidentiality
  • Trade secret exposure
  • Privacy breach
  • Regulatory penalties
  • Customer claims
  • Privilege and confidentiality waiver
  • Incorrect legal advice
  • Litigation exposure
  • IP leakage
  • Vulnerable code
  • Malicious dependencies
  • Security compromise
  • Unauthorised actions
  • Mass data access and exfiltration
  • Account compromise
  • Materially wrong decisions
  • Financial misstatement
  • Market and regulatory exposure
  • Discrimination claims
  • Employment litigation
  • Regulatory breach
  • Loss of IP advantage
  • Patent and trade secret complications
  • Bad contracts
  • Incorrect reports
  • Erroneous decisions
  • Operational failures
  • Supply chain compromise
  • Credential theft
  • Data exfiltration

2,022

court decisions involving fabricated AI citations Reference 12

USD 670,000

added to the average breach cost by shadow AI Reference 1

21,639

AI agents found exposed to the open internet in one day Reference 7

The ban that did not work

Somewhere in your organisation this morning, someone competent pasted something confidential into a chat window.

They were not being reckless. They were being quick.

The deadline was real. The approved tool was not. So they used what was already on their phone. It worked. They will do it again tomorrow.

That is shadow AI. It is rarely sabotage. It is usually initiative.

Nobody in your company set out to leak anything.

The number your CFO will recognise

IBM put a price on it. In the 2025 Cost of a Data Breach report, breaches involving shadow AI carried an extra USD 670,000 against the global average. The global average itself was USD 4.44 million, down 9 percent on the previous year.

Sixty three percent of surveyed organisations reported no AI governance policies in place. Of those that suffered an AI related security incident, 97 percent said they lacked proper AI access controls.

Freshworks surveyed 1,000 IT decision makers at United States mid market companies and published in April 2026. Eighty six percent reported at least one negative incident tied to unapproved AI in the previous year. Twenty three percent reported more than three.

Then the awkward finding. Seventy nine percent of those same leaders said the employees using unapproved tools are more productive. Thirty five percent called the gains substantial.

Shadow AI is not a technology failure. It is a procurement failure.

What the damage actually looks like

The harm rarely arrives labelled as an AI incident. It arrives as something else.

Legal finds out when privilege is contested. Finance finds out when a figure is restated. Engineering finds out when a dependency nobody approved starts calling home. HR finds out when a rejected candidate asks how the decision was reached, and nobody can answer.

By then the tool has been in use for a long time. Reco's usage research puts the average life of an unsanctioned AI application inside an organisation at more than 400 days.

Shadow AI added USD 670,000 to the average cost of a breach.

IBM, Cost of a Data Breach Report 2025, reference 1

Five confessions

All five are live. A decision nobody could account for. An agent holding plain text keys on a finance laptop. A lawyer putting client work into a free app. Unpublished results outside the company for three weeks. An HR integration nobody approved.

Each card carries the control that closes it.

Privilege is built on confidentiality. A consumer chatbot is not.

United States v Heppner, SDNY, February 2026, reference 11

You cannot ban your way out of a productivity gap.

What to do about it

Start with discovery. Find what is already in use through network and SaaS telemetry, expense claims and browser extension inventories. An amnesty week will surface more than any scan.

Then classify. Decide which data classes may never leave the organisation, and write that down in language a non specialist can apply without ringing the legal team.

Then sanction. Give people a licensed alternative for the tasks they are actually doing. If the approved route is slower than the unapproved one, nothing has been fixed.

Then control. Scope tokens, enforce least privilege, and put an approval gate in front of any connection between two systems.

Then evidence. Log prompts, outputs and approvals so a decision can be reconstructed months later.

Then train on the specific failure rather than on AI in general.

The tool your staff chose is now your data processor.

Every unapproved tool is a contract nobody signed.

You cannot investigate what was never logged.

Your fastest employee is writing your AI policy.

What to do about it

Start with the register. List every AI tool in use and name the legal entity behind each one. Where you cannot name it, that is the finding.

Then the terms. Read what the provider says about training, retention and sub processors, and record the date you read it, because those terms change without telling you.

Then the flow. Establish which categories of data reach each tool and which jurisdiction they come to rest in.

Then the exit. Agree in advance how you would remove your data and how you would prove it had gone.

Then the question you will be asked. Who decided, on what basis, and when. Design the log to answer that question and nothing else.

Then capture the prompt, the output, the model version and the person who approved the action, and keep them together as one record.

Then set retention against your longest limitation period rather than your smallest storage bill.

Then test it. Take a decision from last month and try to reconstruct it. The gap you find is the gap someone else will find later.

Then measure the speed gap. Time the approved route against the unapproved one for the same task. If the sanctioned path is slower, your policy is a suggestion.

Then close it where the volume sits. Fix the few tasks that account for most of the unapproved use before you write a single page.

Then make the request route visible and quick, and publish how long it took last month.

Then reward disclosure. An employee who tells you what they are using is doing your discovery for you.

Book a call

Speak to an Exec x AI consultant about what is already running inside your organisation.

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Shadow AI exposure checklist

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Privacy policy

References

Verified against the publisher's own page

  1. Shadow AI added an extra USD 670,000 to the global average breach cost.

    IBM, Cost of a Data Breach Report 2025 (opens in a new tab)Verified 6 September 2026

  2. The global average cost of a data breach was USD 4.44 million, down 9 percent on the previous year.

    IBM, Cost of a Data Breach Report 2025 (opens in a new tab)Verified 6 September 2026

  3. Sixty three percent reported no AI governance policies in place.

    IBM, Cost of a Data Breach Report 2025 (opens in a new tab)Verified 6 September 2026

  4. Of breached organisations that experienced an AI related security incident, 97 percent said they lacked proper AI access controls.

    IBM, Cost of a Data Breach Report 2025 (opens in a new tab)Verified 6 September 2026

  5. Eighty six percent of IT leaders reported at least one negative incident tied to unapproved AI in the past year. Twenty three percent reported more than three.

    Freshworks, shadow AI survey of 1,000 United States mid market IT decision makers, published April 2026 (opens in a new tab)Verified 6 September 2026

  6. Seventy nine percent said employees using unapproved tools are more productive, including 35 percent who described the gains as substantial.

    Freshworks, shadow AI survey, published April 2026 (opens in a new tab)Verified 6 September 2026

  7. 21,639 instances of a widely used open source AI agent were reachable from the open internet on 31 January 2026, a twenty one fold rise inside a week.

    Censys, reported by Adversa AI (opens in a new tab)Verified 8 September 2026

  8. 1.5 million authentication tokens, 35,000 email addresses and private agent messages were exposed through a database left without row level security, discovered 31 January 2026.

    Wiz, reported by Adversa AI, independently verified by 404 Media (opens in a new tab)Verified 8 September 2026

  9. Close to 900 malicious extensions were identified in one public agent registry, around a fifth of all packages published there.

    Bitdefender technical advisory (opens in a new tab)Verified 8 September 2026

  10. A critical flaw scored 8.8 allowed a malicious web page to capture an agent's authentication token, disable sandboxing and achieve remote code execution on the host. Patched 30 January 2026.

    CVE-2026-25253, reported by DepthFirst (opens in a new tab)Verified 8 September 2026

  11. A New York federal court held in February 2026 that documents prepared with a consumer AI tool were not protected by attorney client privilege, because the tool's terms permitted the provider to retain, review and disclose the material.

    A single trial court ruling. The law in this area is unsettled.

    United States v Heppner, Southern District of New York, February 2026, reported by Harris Beach Murtha and Gentry Locke (opens in a new tab)Verified 9 September 2026

  12. 2,022 court decisions involving hallucinated citations or invented authority were tracked worldwide as at 5 September 2026, including 1,379 in the United States and 69 in the United Kingdom.

    A running count. The figure is the total tracked on the date stated and rises as new decisions are added.

    AI Hallucination Cases Database, Damien Charlotin (opens in a new tab)Verified 9 September 2026

  13. Anthropic states that inputs and outputs from its commercial products, such as Claude for Work and the Anthropic API, are not used to train its models by default.

    The provider's own published position, as at the date verified. Exec x AI has not audited the practice behind it.

    Anthropic privacy documentation (opens in a new tab)Verified 9 September 2026

  14. Italy's data protection authority, the Garante, imposed an emergency ban on the processing of Italian users' personal data by a widely used AI chatbot provider, reported as the first emergency ban on an AI chatbot under the GDPR, on grounds including undisclosed storage locations for personal data and failure to cooperate with the authority.

    HIMSS, corroborated by Bird & Bird reporting the Garante's definitive limitation (opens in a new tab)Verified 11 September 2026

  15. OpenAI states that ChatGPT Enterprise, Business and API data is not used to train its models by default, with SOC 2 Type 2 audits, AES 256 encryption at rest, TLS 1.2 and above in transit, and administrator controlled retention.

    The provider's own published position, as at the date verified. Exec x AI has not audited the practice behind it.

    OpenAI enterprise privacy documentation (opens in a new tab)Verified 9 September 2026

Freshworks surveyed United States mid market IT decision makers. Treat the figures as indicative for EMEA and APAC, not as measured there.

Vendor research, published figures

  1. Unsanctioned AI applications persist inside organisations for more than 400 days on average.

    Reco, State of Shadow AI (opens in a new tab)Verified 6 September 2026

  2. Companies with 11 to 50 employees averaged 269 shadow AI tools per 1,000 employees.

    Reco, State of Shadow AI (opens in a new tab)Verified 6 September 2026

  3. Government device bans covering Australia, Canada, Denmark, Belgium, the Netherlands and the Czech Republic.

    AI regulation tracker, DeepSeek one year later (opens in a new tab)Verified 11 September 2026

  4. South Korea's Personal Information Protection Commission found that user prompts had been transferred to Chinese companies without proper consent.

    AI regulation tracker, DeepSeek one year later (opens in a new tab)Verified 11 September 2026

Reported by the source named, not independently verified

These accounts were supplied by the campaign owner and were assembled in an AI chat conversation. A conversation is a route to a source, not a source.

Each underlying publication is a vendor marketing article carrying an anonymous executive account. Searches on 6 September 2026 did not independently locate the specific articles or corroborate the accounts.

  1. Reported by the source named, not independently verified

    A chief compliance officer at a mid sized Saudi financial institution reported that a company wide ban on a public AI chatbot had not stopped the credit risk team using personal accounts, and that client financial data had reached the chatbot vendor's systems.

    Aliph Solutions (opens in a new tab)

  2. Reported by the source named, not independently verified

    A head of security at a mid market company reported that, before any AI feature existed in the product, customer information had already been placed into several AI tools adopted independently by employees.

    "customer data sitting in several AI tools"

  3. Reported by the source named, not independently verified

    A security review described a CISO who estimated three or four unapproved AI tools in the organisation. The investigation found nineteen, fourteen of which had been in active use for more than six months.

    "The actual number was nineteen."

  4. Reported by the source named, not independently verified

    A former biotechnology executive told Business Insider that he had knowingly worked around his employer's AI restrictions, judging the risk of falling behind a competitor to outweigh the risk of data leaving the company.

    "the chance of you being eclipsed by a Chinese peer"