Diopter
Sign in Try the Detector
Diopter Research

Detecting a fake voice is not the same as stopping a fake call

Most detection tools answer one question: is this clip synthetic? Attackers are not sending clips. They are joining calls, sitting in interviews, and asking for a wire. This is where we publish what we find: how the attacks actually run, which signals catch them, and where the tools fall short.

Get the Diopter threat brief

Monthly analysis of AI social engineering, voice fraud and deepfake attacks on enterprises.

One email a month. No spam, and we never share your address.

Latest

The newest research and analysis, updated as we publish.

Emerging threats

Where the attack surface is moving next. New attacker capabilities that change what can be automated, documented before they show up in incident data.

Threat Intelligence

Agentic AI Fraud: The New Attack Surface Nobody’s Talking About Yet

AI agents plan and act across systems with little human oversight. Anthropic documented a campaign in which AI executed 80 to 90% of the attack, with humans stepping in at four to six decision points. Here is how agentic fraud works, and what to verify before an agent acts.

4 August 2026 · 7 min read

Attack analysis

Each of these reconstructs a real attack in sequence: what the attacker had, what they said, and the exact point at which a detection layer would have changed the outcome.

Deepfake Detection

Deepfake Job Interviews: Inside the Rise of AI-Generated Fake Candidates

17% of hiring managers have already interviewed a candidate using deepfake technology. Gartner forecasts one in four candidate profiles could be fake by 2028. Here is how the fraud works, and how to verify who you are hiring.

3 August 2026 · 8 min read

No articles in this topic yet.

Tool evaluations

Vendor-neutral comparisons, including tools that compete with ours. A benchmark score is not a defence, so each entry states what the tool detects, what it does not, and the conditions under which it degrades.

No articles in this topic yet.

Detection playbooks

Implementation detail for teams already past the buying stage: which signals to read, which layers to stack, and what each layer still misses.

No articles in this topic yet.

Start here

Four terms get used interchangeably and mean different things. These are the plain definitions the rest of this research builds on.

No articles in this topic yet.

Browse by topic

See what your voice channel is missing

Diopter scores live voice and video for synthetic media, and for the conversation patterns that push a person toward an irreversible action.

Book a walkthrough