In brief: If you're using SMS for two-factor authentication into your online accounts, you may want to change that as soon as possible. According to Princeton researchers, five of the largest US carriers are doing little to protect you from SIM swapping attacks, which give attackers an easy way to reset your passwords and access your sensitive data or impersonate you online.
While it's always a good idea to use multi-factor authentication to secure your online accounts, it doesn't mean you're







