Other examples of cyber incidents are:

The time Anonymous hacked some unofficial Spanish police forums, leaking up to 11k records. [1]

The recent incident where a Zoom event called "Cybersecurity and online privacy" attended by Spanish police and civil guard members was hacked. After taking over, the attackers streamed child pornography. [2]

[1] https://www.abc.es/tecnologia/redes/abci-hackean-policia-nac...

[2] https://www.elespanol.com/omicrono/software/20200514/confere...

1 and 2 were, once again, not managed by the Spanish police. 1 is an independent forum, 2 was a contractor that offered online courses to everybody who asked.

Show me an incident where the police were actually hacked. (I am not saying it has not happened, just that your proof is not proof of anything)

Spanish bodies rarely manage their information systems themselves - this is not just related to police, all public servants work with applications built by private companies.

Usually, consulting firms such as Indra and Deloitte build and maintain them after getting publicly available contracts.

You make a good point because Spanish public servants have probably never had their own systems hacked, since pretty much all the stuff they use has been built by consulting firms or contractors.