Twenty public sector bodies have urged MSPs to weaken freedom of information law by increasing charges, widening exemptions and relaxing deadlines.
The NHS Highland public heath director, Hugo van Woerden, has been criticised for attempting to hide his salary of more than £155,000 a year.
The efforts of departments in the Scottish Government to improve their freedom of information performance have been "disappointing", according to Scotland's information watchdog.
Senior local authority officials are lobbying to relax freedom of information law so that they can increase charges, delay responses and reject more requests as “vexatious”.
Repeated attempts by government agencies in Scotland to block public access to information show that freedom of information law should be strengthened, say journalists.
Scottish ministers have postponed plans to restore freedom of information rights to thousands of housing association tenants, prompting accusations of “broken promises”.
A senior planning official has admitted circumventing freedom of information law, by receiving vital environmental data from fish farmers “face to face”.
The Scottish Environment Protection Agency ditched a toxic pesticide report after fears it could attract freedom of information requests.
Journalists have accused the Scottish Government of failing to keep records and frustrating freedom of information law.