Cybersecurity: It’s not a matter for large companies, public utilities,  and government agencies to consider. It’s a critical matter that should  be a priority for businesses of all sizes. That’s the message delivered  by Ivan Shefrin, executive director for Comcast Business Managed  Security Services on the latest installment of BusinessTalk. In a  wide-ranging discussion, Shefrin and BusinessWest Editor George O’Brien  talk about who the bad guys are, how they get into you system, how you  can keep them out, and what you should do if they do get in  It’s must  listening, so join us for BusinessTalk, a podcast presented this week by  BusinessWest  and Comcast Business, and sponsored by PeoplesBank.