Breach
Signal hacks the phone-cracking box
2021Signal's creator published vulnerabilities in Cellebrite's extraction software, arguing its reports could be tampered with — undermining its reliability as court evidence.
Former CEO & Executive Chairman
Served as Cellebrite's executive chairman from August 2023, interim CEO from January 2025, and CEO from August 2025 until being succeeded by Shiven Ramji in August 2026; he remained on the board.
Signal's creator published vulnerabilities in Cellebrite's extraction software, arguing its reports could be tampered with — undermining its reliability as court evidence.
Cellebrite's tools were sold to governments including Belarus, Myanmar, and Russia and used against activists and journalists, prompting later sales restrictions.