A few weeks on from the suspected ransomware cyber attack on Optionis Group – Parasol’s parent company, contractors have found their personal data for sale on the dark web. The discovery is the latest in a series of misfortunes to affect contractors employed through Parasol following the cyber attack in the second week of January. As an umbrella company, Parasol employs temporary workers, often on behalf of employment agencies. Umbrella companies provide convenience for contractors and agency workers, and the companies who...