Twitter flaw let a researcher match 17 million phone numbers with users (updated)

Yes, it's another Twitter security issue in the space of just a few days. Security researcher Ibrahim Balic told TechCrunch that Twitter's Android app had a flaw that allowed him to match 17 million phone numbers with their respective user accounts….
Source: Engadget | Twitter flaw let a researcher match 17 million phone numbers with users (updated)