Swiss security services have searched a house in Geneva and confiscated computer equipment in connection with a possible cyberattack on Iran's nuclear talks, the nation's attorney general has said.
A computer virus was used to hack into locations including three luxury hotels that have hosted negotiations between Iran and six world powers, the Russian computer security company Kaspersky Lab said on Wednesday.
"On 12 May 2015, a house search took place in Geneva and IT hardware as well as software was seized. The aim of the aforementioned house search was to seize respective information as well as the malware; it was of particular interest to investigate whether the malware infected the respective IT systems," the Swiss attorney-general's office in Berne said in a statement.
Criminal proceedings have also been opened against unknown persons "on suspicion of political espionage".