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See lock bumping: https://en.wikipedia.org/wiki/Lock_bumping

"Lock bumping takes only an instant to open the lock. The lock is not visibly damaged, although the force of the bump can leave an indentation on the front of the cylinder."

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Around here pin-tumbler locks haven't been used for house/apartment doors in several decades. Even the "classic" Abloy disk-detainer lock introduced in 1907 [1] is practically bump-proof, and more modern versions such as the Exec, never mind the Protec2 [2], are nigh impossible to pick without considerable skill, special-purpose tools and state-of-the-art knowledge.

> The Protec's design enables it to resist a variety of common attacks, particularly lockpicking. There are no confirmed non-destructive attacks against Protec cylinders in the public domain.[2]

See the whole Abloy family at [3].

[1] http://www.lockwiki.com/index.php/Abloy_Classic

[2] http://www.lockwiki.com/index.php/Abloy_Protec

[3] https://securitysnobs.com/item_images/4323f39aa0570924212c3c...

That's a problem with the lock. Try doing that with a disc tumbler lock.

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