A December deadline is fast approaching for all countries in the European Union to pass legislation in order to harmonize whistleblower protection across the single market. Lawyers warn there are still likely to be wide variations in the level of security national laws will offer those brave enough to speak up.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...