Mac users across the globe are reportedly having trouble logging into their enterprise virtual private networks because of an apparent certificate issue, user reports suggest.Credit: RSASpecifically, enterprise VPNs that rely on the RSA SecurID mechanism for multi-factor authentication are seeing the problem, according to a forum post on the RSA website. Multiple posters are reporting that RSA SecurID version 4.2.1 is failing to launch as of Tuesday morning.Read more