The bank also expects annual GDP to decline 5.3%, a bigger slump than was seen amid the global financial crisis in 2008.
Higher-earning employees who leave within three years of receiving a bonus will have to pay back a portion of it.
The year's first half was on track to be the worst first half of trading for the 12 largest global investment banks since the financial crisis.
Laura Barrowman, Credit Suisse's chief technology officer, said there is a global deficit of cyber skills.