CHOSEN BRICK is a malware family that has been used to target individuals around the world including in the UK, US and the Netherlands from at least 2025. CHOSEN BRICK enables Iranian state cyber actors to collect information on a target’s contacts, emails and social media messages, which could enable tracking of their movements.
Iran almost certainly uses cyber activity to support the repression of individuals who are seen as a threat to the regime, such as dissidents, activists and journalists. In some cases, the Iranian intelligence services have plotted to kidnap or conduct lethal operations against individuals internationally, who they perceive as enemies of the regime.
The personal details of some previous victims of CHOSEN BRICK have appeared on pro-Iranian leak sites, potentially increasing the risk to the personal safety of those affected.
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Source: U.S. Federal Bureau of Investigation Cyber Division
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