Opinions expressed by Entrepreneur contributors are their own. Key Takeaways AI is making phishing harder to detect. The messages are increasingly polished and professional, often mimicking colleagues or executives, which removes the obvious signs people used to rely on. Employees generally know how to spot phishing, but they still fall for it because they’re busy, multitasking and making fast decisions under pressure. It’s not because they lack training. Leaders must accept that cybersecurity is an operational problem. They must examine communication norms, look at after-hours expectations and build friction deliberately. There’s a version of the phishing problem that most companies think they’ve solved. You run the annual security training. You send the simulated phishing emails. You remind everyone to look for red flags — bad grammar, suspicious links, strange sender addresses. You do all of this and then feel reasonably confident that your team knows what to watch for.…