Facebook found to host cybercriminal groups trading stolen information

The revelation of cybercriminal activity adds to the mounting security and privacy concerns surrounding Facebook.

Facebook Inc. housed dozens of cybercriminal groups that set up shop on the platform as online marketplaces to sell a variety of illegal services, such as stolen credit card information, account theft and spamming tools, a team of researchers found.

Cisco Systems Inc.’s Talos security unit uncovered 74 groups with names like "Spam Professional" and "Facebook hack (Phishing)," it said in a blog post published Friday. Those online marketplaces, which counted about 385,000 members, were quite easy to locate for anyone with a Facebook account, the group said. Once a person joined one such group, Facebook’s own algorithms would often suggest