Recently I’ve been asking friends, colleagues and clients what they think are the most important unanswered questions in tech. I thank Ian Murphy , who works in the security industry, for the following conundrum: “Why do companies with little or no real security experience think they know their environment better than anyone else? That is, because it’s ‘their”’ network, they feel best placed to identify attackers (even those with advanced techniques who hide in the normal traffic noise)?” It’s a good one. I’ve been working in IT for decades and I remain baffled how we lock up our houses, secure our vehicles, seal away our valuables and yet, in the corporate environment, senior executives still question the need for security expertise. Ignorance, it would appear, is bliss. While the problem may be technological, I suspect the answer is inherently human. Back in the day, when I was an IT director for a subsidiary of Alcatel, it took a major security incident on my watch to trigge...