Facebook’s Graph Search feature hasn’t been released yet. But white hat hackers are already harnessing the powerful social search engine to gather sensitive information on Facebook users. A new module for Recon-ng an open source “web reconnaissance framework” allows anyone with a Facebook Developer account to use Graph Search and Recon-ng’s features to harvest phone numbers associated with Facebook user accounts. The tool, dubbed “Facebook Harvester” allows brute force searching by partial phone numbers, using brute-force techniques, according to a blog post by Rob Simon, a Canton, Ohio- based security professional. Simon, who counts penetration testing and reverse engineering  among his skill set, wrote about his experiments using Graph Search on his blog, kc57.com. in April. In a phone interview with The Security Ledger, Simon said his work doing penetration testing drew him to the Graph Search API, which allows programmatic interaction with the Graph Search engine. He said the […]