Cellebrite Is Using AI to Summarize Chat Logs and Audio from Seized Mobile Phones

Cellebrite, the company which makes near ubiquitous phone hacking and forensics technology used by police officers around the world, has introduced artificial intelligence capabilities into its products, including summarizing chat logs or audio messages from seized mobile phones, according to an announcement from the company last month.

The introduction of AI into a tool that essentially governs how evidence against criminal defendants is analyzed already has civil liberties experts concerned.

“When you have results from an AI, they are not transparent. Often you cannot trace back where a conclusion came from, or what information it is based on. AIs hallucinate. If you always train it on data from cases where there are convictions, it will never understand cases where indictments should not be brought,” Jennifer Granick, surveillance and cybersecurity counsel at the American Civil Liberties Union’s (ACLU) Speech, Privacy, and Technology Project, told 404 Media in an email.

Cellebrite’s products are very common across U.S. local, state, and federal law enforcement, and law enforcement agencies overseas too. Those products include the UFED, a device that bypasses the passcode protection on some phones and extracts data from them. 404 Media previously verified leaked documents which showed what phones Cellebrite could, and could not, unlock as of April 2024. Cellebrite has introduced AI specifically into Guardian, which is a software-as-a-service “evidence management solution,” the company says. In practical terms, Guardian is a piece of software for analyzing evidence already in a police officer’s possession.

According to Cellebrite’s February 6 announcement, the company’s generative AI capabilities can summarize chat threads “to help prioritize which threads may be most relevant,” contextualize someone’s browsing history to show what was searched for, and build “relationship insight.”

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