LinkedIn recently launched its new Intro service, an extension of Rapportive, a social networking tool. The social networking site provided vague assurances about practicing responsible information security. Last year, LinkedIn lost 6.5 million users’ passwords, and only spotted the breach after those breached surfaced on an underground password-hacking forum. LinkedIn responded to the concerns raised by security consulting firm Bishop Fox and mitigated some related flaws, including the use of SSLv2 and discontinuing the Intro app. Security expert: “LinkedIn has a documented history of insecure design practice””]