INC-23-0007 confirmed high AI-Generated Deepfake Audio Used to Influence Slovak Parliamentary Election (2023)
Unknown threat actors developed and deployed voice synthesis and content platforms, harming Slovak voters, Michal Simecka (Progressive Slovakia), and Monika Todova (journalist) ; contributing factors included intentional fraud and social engineering.
Incident Details
| Date Occurred | 2023-09 | Severity | high |
| Evidence Level | corroborated | Impact Level | Institution |
| Domain | Information Integrity | ||
| Primary Pattern | PAT-INF-003 Disinformation Campaigns | ||
| Secondary Patterns | PAT-INF-002 Deepfake Identity Hijacking | ||
| Regions | europe | ||
| Sectors | Elections | ||
| Affected Groups | Democratic Institutions, General Public | ||
| Exposure Pathways | Adversarial Targeting | ||
| Causal Factors | Intentional Fraud, Social Engineering | ||
| Assets & Technologies | Voice Synthesis, Content Platforms | ||
| Entities | Unknown threat actors(developer, deployer), ·Progressive Slovakia(victim) | ||
| Harm Types | reputational, societal | ||
An AI-generated deepfake audio recording impersonating a Slovak political candidate discussing election rigging was disseminated on social media days before the 2023 Slovak parliamentary election.
Incident Summary
In the days preceding Slovakia’s September 2023 parliamentary election, AI-generated deepfake audio recordings surfaced on social media during the legally mandated pre-election moratorium period, when candidates are prohibited from campaigning.[1] The fabricated recordings purported to capture a phone conversation between Michal Simečka, leader of the pro-Western Progressive Slovakia party, and journalist Monika Tódová of Denník N, in which manipulated voices discussed strategies for rigging the election and purchasing votes from the Roma community.[1][3]
The deepfake’s release coincided with a press release from Russia’s SVR intelligence agency making parallel claims about foreign interference in the election, which analysts interpreted as part of a coordinated influence operation.[3][5] The incident is widely regarded as one of the first documented uses of AI-generated deepfake audio to interfere in a parliamentary election in a European Union member state.[1][2]
Key Facts
- Target: Michal Simečka (Progressive Slovakia leader) and journalist Monika Tódová (Denník N)
- Method: AI-generated deepfake audio of a fabricated phone conversation
- Content: Fabricated discussion of vote-rigging and vote-buying from the Roma community
- Timing: Released during the 48-hour pre-election moratorium when candidates cannot publicly respond
- Context: Release coincided with a Russian SVR press release making parallel claims
- Election: Slovak parliamentary election held September 30, 2023
Threat Patterns Involved
Primary: Disinformation Campaigns — AI-generated deepfake audio was used as a tool in a broader information operation designed to undermine public trust in a democratic election and a specific political candidate.
Secondary: Deepfake Identity Hijacking — The identities of a political leader and a journalist were hijacked through AI voice synthesis to fabricate a conversation that never occurred.
Significance
- First documented EU election deepfake interference. Widely regarded as one of the first cases of AI-generated deepfake audio used to interfere in a parliamentary election within a European Union member state.
- Strategic timing during moratorium. The deepfake was released during the legally mandated campaign silence period, preventing the targeted candidate from publicly responding or rebutting the fabricated content before voters went to the polls.
- Coordination with state intelligence. The coincidence of the deepfake release with an SVR press release making parallel claims suggests coordination between technical deepfake operations and state-level information operations.
- Precedent for AI election threats. The incident has been widely cited in policy discussions about AI regulation, election integrity, and the need for rapid-response verification mechanisms during election periods.
Timeline
Slovakia's legally mandated 48-hour pre-election moratorium begins, prohibiting candidates from campaigning
AI-generated deepfake audio recordings surface on social media, purporting to capture a conversation between Michal Simečka and journalist Monika Tódová
Russia's SVR intelligence agency issues a press release making parallel claims about foreign interference in the Slovak election
Slovak parliamentary election held; Progressive Slovakia finishes second
CNN publishes investigative report identifying the incident as a leading example of deepfake-enabled election interference
Outcomes
- Financial Loss:
- Not applicable
- Arrests:
- None publicly reported
- Recovery:
- Not applicable; election proceeded as scheduled
- Regulatory Action:
- Incident cited in EU and international policy discussions on AI regulation and election integrity
Glossary Terms
Use in Retrieval
INC-23-0007 documents ai-generated deepfake audio used to influence slovak parliamentary election, a high-severity incident classified under the Information Integrity domain and the Disinformation Campaigns threat pattern (PAT-INF-003). It occurred in europe (2023-09). This page is maintained by TopAIThreats.com as part of an evidence-based registry of AI-enabled threats. Cite as: TopAIThreats.com, "AI-Generated Deepfake Audio Used to Influence Slovak Parliamentary Election," INC-23-0007, last updated 2026-02-09.
Sources
- Harvard Kennedy School Misinformation Review: Beyond the deepfake hype: AI, democracy, and 'the Slovak case' (academic, 2024)
https://misinforeview.hks.harvard.edu/article/beyond-the-deepfake-hype-ai-democracy-and-the-slovak-case/ (opens in new tab) - CNN: A fake recording of a candidate saying he'd rigged the election went viral (news, 2024-02)
https://www.cnn.com/2024/02/01/politics/election-deepfake-threats-invs (opens in new tab) - VSquare.org: Slovak election targeted by pro-Kremlin deepfake hoax (news, 2023-09)
https://vsquare.org/slovak-election-targeted-by-pro-kremlin-deepfake-hoax/ (opens in new tab) - International Press Institute: Slovakia: Deepfake audio of Dennik N journalist offers worrying example of AI abuse (news, 2023-09)
https://ipi.media/slovakia-deepfake-audio-of-dennik-n-journalist-offers-worrying-example-of-ai-abuse/ (opens in new tab) - Bruce Schneier: Deepfake Election Interference in Slovakia (analysis, 2023-10)
https://www.schneier.com/blog/archives/2023/10/deepfake-election-interference-in-slovakia.html (opens in new tab)
Update Log
- — First logged (Status: Confirmed, Evidence: Corroborated)