Though M2M sim cards grant a lot of benefits to the business and commercial world, there are a few important points to be considered before using them. The most prime thing is about safety and security of data. These M2M services are dependent on a third party and the data that is transferred using these sim cards have to pass through them. In such a situation there is always a chance for security breach. M2M sims http://dolphinm2m.com/ works on a chain of interdependent factors like availability, continuity, scalability and reliability which are equally prone to dangers. So business has to take into account all these, make necessary provisions and take precautionary steps to be away from the perils.