概要: カナダの詐欺団は、2021年から2024年にかけて、AI生成の音声クローンを使い、米国46州の祖父母をターゲットに2,100万ドルの詐欺行為を行った疑いがある。モントリオールのコールセンターを拠点とする詐欺団は、米国の電話番号を偽装し、孫のAIクローン音声を使って被害者に偽の保釈金を支払わせようとした。
Editor Notes: Reconstructing the timeline of reported events: (1) Summer 2021, the grandparent scam operation begins in Montreal. (2) Early June 2024, Canadian law enforcement raids the scam’s call centers, during which they reportedly seize evidence and catch suspects actively making fraudulent calls. (3) Late February 2025, a federal grand jury indicts 25 Canadian suspects, five of whom are also charged with money laundering for handling the stolen funds. (4) March 5, 2025 (the incident date for this incident ID), the U.S. Attorney’s Office for the District of Vermont announces the arrests, confirming that 23 suspects were detained in Canada while two remain at large. (4) The full list of suspects can be accessed via this U.S. Immigration and Customs Enforcement press release: https://www.ice.gov/news/releases/25-canadian-nationals-connected-nationwide-multi-million-dollar-grandparent-scam.
Alleged: Synthetic audio generation technology developers developed an AI system deployed by Canadian fraud ring involved in grandparent scams , Canadian fraud ring impersonating grandchildren と Scammers, which harmed Grandparents targeted by Canadian fraud ring と Families of grandparents targeted by Canadian fraud ring.
関与が疑われるAIシステム: Synthetic audio generation technology
インシデントのステータス
Risk Subdomain
A further 23 subdomains create an accessible and understandable classification of hazards and harms associated with AI
4.3. Fraud, scams, and targeted manipulation
Risk Domain
The Domain Taxonomy of AI Risks classifies risks into seven AI risk domains: (1) Discrimination & toxicity, (2) Privacy & security, (3) Misinformation, (4) Malicious actors & misuse, (5) Human-computer interaction, (6) Socioeconomic & environmental harms, and (7) AI system safety, failures & limitations.
- Malicious Actors & Misuse
Entity
Which, if any, entity is presented as the main cause of the risk
Human
Timing
The stage in the AI lifecycle at which the risk is presented as occurring
Post-deployment
Intent
Whether the risk is presented as occurring as an expected or unexpected outcome from pursuing a goal
Intentional


