> "...your data will be safe"

I'd ask for statutory and automatic (no demonstration of harm required) [minimum] damages of (say) £1000 to every citizen for every breach together with the immediate dismissal of the head of the department responsible if the breach came from a government agency. The government should also pay for the insurance premiums of private companies coerced to implement this scheme against their potential payouts.

If my "data will be safe", this shouldn't be a problem to implement as it will have zero cost.