It's not a secret, that hiring a good employee to maintain system's functionality and informational security and introduce modern IT at your firm is hard and costly nowadays - this specialist's job is laborious and responsible, it requires a constant improvement of specialist's level (courses, seminars, certifications and etc.). Besides, a competent specialis in this field is expensive, he has to spend most of his on-duty time not on work itself, but on his competency maintenance. As practice shows, it's often more convenient to use external specialists' services in problems, which require high qualification in the field, using subscriber servicing or one-time agreements. A decentralized security system allows 24 h control behind your systems, and a group of high-qualified specialists will be able to react immediately on warning signals and to answer all your questions.