Just today I had to advise a relative who's just bought a new house with one of these outside the front door https://tinyurl.com/yez856vu not to use it, given how easy they are to break into (see YouTube). But are there any that are really secure?
Nothing will be totally secure. but thisBut are there any that are really secure?

I have never done it but I don't think much patience or practise is needed.Apparently they are not difficult to pick with patience and practice.
The cheap ones are often a zinc-alloy and, as @Mottie, says, they are very susceptible to coming apart after being hit.True but multiple strong fixings into brick in a suitable location might do
That is far more important. The better ones are relatively thick steel.if the box can't be easily opened without knowing the combination.
I have done the second one and it's dead easy....I have never done it but I don't think much patience or practise is needed.

Have you examplesA hidden key is more secure.Many different available.
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