A new academic study has highlighted a number of privacy and security pitfalls associated with recycling mobile phone numbers that could be abused to stage a variety of exploits, including account takeovers, conduct phishing and spam attacks, and even prevent victims from signing up for online services.
Nearly 66% of the recycled numbers that were sampled were found to be tied to previous owners
Read the original article: New Study Warns of Security Threats Linked to Recycled Phone Numbers