“Hackers wriggled spyware into bank computers to observe how employees ran the business, so they could make their fraudulent transactions look like normal operations. The malicious software recorded every move of employees who process daily transfers and conduct bookkeeping. For months, the malware sent back video feeds and images to the criminal group, which comprised Russians, Chinese and Europeans.”
Source: Cybercriminals Pocketed Up To $1 Billion by Impersonating Bank Officers – Nextgov.com