36 AI mistakes and safety risks at work in 6 groups, each with a case or example, one control and the course that teaches it.
Staff who use AI at work, and the managers, privacy officers and boards who set the rules, can use these 36 items as a checklist, starting with the group closest to their job.
Data leakage and confidentiality
Shadow AI
Staff use personal AI accounts or public AI websites for work.
Control: Give staff an approved tool and a list of data that may go nowhere else.
Case: In April 2023 Samsung engineers pasted internal source code into ChatGPT. Samsung banned generative AI tools on company devices from 1 May 2023 (TechCrunch).
Reference: OWASP LLM02:2025 Sensitive Information Disclosure
Meeting transcribers and recording consent
AI notetakers record everyone on a call and send the data to the vendor.
Control: Announce the notetaker, get everyone’s consent and know where recordings go.
Case: A proposed class action filed in August 2025 (NPR) alleges Otter.ai recorded calls without every participant’s consent; core claims proceed (Baird Holm).
Unpublished price-sensitive facts typed into an outside AI tool may count as unlawful disclosure under the EU Market Abuse Regulation (MAR). This is legally untested.
Control: Keep inside information out of every AI tool not approved for it.
Case: In July 2025 Fast Company found nearly 4,500 shared ChatGPT chats in Google results. OpenAI removed the “discoverable” option on 1 August 2025 (Fast Company, TechRadar).
Vendor security of AI apps
Your data is only as safe as the AI vendor’s own systems.
Control: Run every AI app through supplier security review before use.
Case: In January 2025 Wiz Research found a DeepSeek database open on the internet without authentication, holding chat histories and API keys (Wiz Research).
Reference: NIST AI 600-1, Value Chain and Component Integration
Output quality
Hallucinated facts and citations
The model states false quotes, figures or references with full confidence.
Control: Check every quote, figure and citation against the original.
Case: In October 2025 Deloitte partly refunded an AUD 440,000 Australian government review that contained a fabricated court quote and non-existent references (Associated Press).
Case: In May 2025 the Chicago Sun-Times printed a syndicated reading list of 15 books, 10 of them non-existent; its freelance writer used AI without checking (NPR).
Case: In April 2025 OpenAI rolled back a GPT-4o update that made ChatGPT overly agreeable, including validating doubts and urging impulsive actions (OpenAI).
Example (constructed): In October 2026 an HR adviser asks a chatbot what AI Act Article 4 requires and gets the “sufficient level” wording that Regulation (EU) 2026/1744 replaced in July 2026.
Jagged capability
A model can do a hard task well and fail an easier one beside it.
Control: Test each new type of task on cases where you already know the answer.
Case: An October 2023 study of 5 AI assistants found they “consistently exhibit sycophancy”, and people sometimes preferred convincing agreeable answers to correct ones (Sharma et al.).
Missing context
Without audience, purpose and constraints, the model guesses and builds on its guesses.
Control: Put all context in the first prompt, and restart a chat that went wrong.
Case: A May 2025 study of 200,000+ simulated conversations found top models performed 39% worse on average when requirements came step by step (Laban et al.).
No format or length
Without a stated format and length, the model picks its own, often long and generic.
Control: State format, length and reader in every prompt.
Case: In a 7 June 2024 damages ruling, a Dutch court used ChatGPT to estimate solar panel lifespan and electricity prices. Commentators raised reliability concerns, though no error has been shown (CMS).
5 tasks in one prompt
Several jobs in one prompt let the model shorten or skip some, and make checking hard.
Control: Give one task per prompt and check each result.
Example (constructed): One prompt asks for a market summary, 3 competitor profiles, a pricing table and a CEO email. The pricing table comes back with invented figures.
The model grading its own work
Asking the same model to confirm its answer adds no independent check.
Control: Check against an independent source or a person.
Case: In Mata v. Avianca a lawyer asked ChatGPT “Is varghese a real case”, and it said yes. Sanctions over 6 fake cases followed on 22 June 2023 (SDNY sanctions order).
Assumed memory across chats
Many tools start each new chat from zero, so earlier instructions are gone.
Control: Paste a saved instruction block at the start of each chat, or use project instructions.
Case: In December 2023 a user told a Chevrolet dealer’s chatbot to agree with everything, and it called a USD 1 offer for a Tahoe “legally binding” (GM Authority).
Case: With EchoLeak (CVE-2025-32711, June 2025, since fixed), one email could make Microsoft 365 Copilot send internal data to an attacker, with no click (NIST NVD).
Case: In December 2025 the UK National Cyber Security Centre said prompt injection “may never be totally mitigated” and advised limiting what AI tools can do (NCSC).
Case: In December 2025 OX Security found 2 copycat Chrome AI sidebar extensions, one with 600,000+ users and a “Featured” badge, sending users’ ChatGPT and DeepSeek chats to an attacker (OX Security).
Deepfake voice and video fraud
Fraudsters fake executives’ faces and voices to order payments.
Control: Confirm urgent payment requests on a known separate channel, even after a video call.
Case: In January 2024 an Arup employee in Hong Kong made 15 transfers totalling HK$200 million after a video call with a deepfaked CFO and colleagues (CNN).
Example (constructed): A webshop chatbot poses as a named human agent.
GDPR breaches and special category data
Personal data in an unapproved chatbot can be a breach, reportable within 72 hours. Health and other special category data need an exception under GDPR Article 9.
Control: Report suspected leaks to your privacy officer at once.
Case: A US appeals court held in March 2025 that copyright registration needs a human author, and the Supreme Court declined review on 2 March 2026 (Thaler v. Perlmutter, SCOTUSblog, Skadden).
Case: Italy’s privacy regulator fined OpenAI EUR 15 million in December 2024 (Euronews), partly over training ChatGPT on personal data without an adequate legal basis. A Rome court annulled it on jurisdiction grounds on 18 March 2026 (Reuters via Freevacy).
Sector rules: MAR, DORA and NIS2
MAR restricts inside information. Under DORA, contracted AI tools at financial entities belong in the register of information. NIS2 requires supply chain security and board training.
Control: Put every AI tool through your existing third-party checks.
Case: After Italy blocked ChatGPT in March 2023, Italian developers’ output fell about 50% for 2 business days and Tor use rose, an April 2023 working paper found (Kreitmeir and Raschky).
No owner
Nobody is accountable for AI policy, tools or incidents, so decisions stall.
Control: Name one accountable owner, with a deputy, for AI policy, tools and incidents.
Case: In February 2024 Klarna said its AI assistant did “the work of 700 customer service agents”. In May 2025 its CEO said the push went too far and quality dropped (Entrepreneur).
Replacing staff on untested claims
Roles are cut on AI claims nobody checked against real workload data.
Control: Test AI claims on your own workload data before any job decision.
Case: Commonwealth Bank of Australia planned to replace 45 customer service roles with an AI voice bot, then reversed and apologised on 21 August 2025 after the union said calls were rising (Information Age).