There's no single control that eliminates scam susceptibility, but a small set of practical habits reliably moves the needle: regular, realistic phishing simulations rather than one-off tests, training that's tied to real scenarios rather than abstract rules, and a reporting culture where flagging something suspicious is easy and encouraged, not awkward.
The organisations that see the biggest improvement tend to treat this as an ongoing programme rather than a single campaign: measuring results over time, adjusting where staff are still struggling, and reinforcing the message regularly instead of once a year.
None of that requires a huge budget. It requires consistency, and content people will actually engage with rather than sit through.
See how goDeep turns thinking like this into training your team will actually remember.