Convinced that security vendors’ CEOs are oblivious to how much discontent their company is causing with the very people they should be striving to satisfy, Roger Grimes explains that he’s got “many clients who are mad as hell and not going to take it anymore.” What’s more, Grimes explains, there’s a constant pattern causing their frustration: Each of the vendors started with a good product that solidly filled a particular niche, gained market share and industry accolades, and then made inopportune decisions that riled their existing, or new, customers to a point that the customer gave up trying to give them their business. And so, “instead of letting the vendors suffer lower market share without understanding why, I’ve decided to share some representative stories in this column,” Grimes writes in Security firms frustrate loving customers. Security