![Tidjane Thiam, former chief executive officer of Credit Suisse, interviewed at the time of his final results presentation in February](https://s.wsj.net/public/resources/images/FN-AL056_FN_TID_M_20200902053307.jpg)
Switzerland’s financial regulator said on 2 September it had started enforcement proceedings against Credit Suisse over the physical surveillance of two bank executives last year.
The Swiss Financial Market Supervisory Authority, known as Finma, said it would pursue potential violations of supervisory law in relation to Credit Suisse’s surveillance and security activities, “and in particular the question of how these activities were documented and controlled.”