Many MLS now require a double authentication system. Basically, your used ID, password, and generally another password generated by an external key. Personally, I think it’s great because it helps reduce the unauthorized access/use of the MLS for which we all pay a lot of money.
Those MLS systems that do not have this yet – it is coming sooner rather than later. Many boards have been reluctant to implantation due to the cost of the key generator a/k/a token.
There is a new option being beta tested and should be release sometime near term. The Palm Beach regional MLS may be one of the first in this area. Clareity Security, maker of their tokens is working with GE Supra to provide OTP (one time passwords) to display in the Supra Display Key. Each time you synch you’ll get a new set of OTPs. They you only need to carry the Display Key.
The token used by mid-Florida (RSA) is considered one of the best whereas it uses rolling security numbers that change every 60 seconds. One problem that they found with this type of constant display is that certain individuals were displaying the key on a web camera and linking to their website. That way they provide unauthorized access to non-MLS participants. Some were caught and tossed out of their respective MLS systems.