Facebook’s acknowledgement that most of its 2.2 billion members have probably had their personal data scraped by “malicious actors” is the latest example of the social network’s failure to protect its users’ data. Not to mention its apparent inability to even identify the problem until the company was already embroiled in scandal. CEO Mark Zuckerberg told reporters Wednesday that Facebook is shutting down a feature that let people search for Facebook users by phone number or email address.