For years, bankers and buysiders assumed that moving away from conventional messanging services like AOL or the ubiquitous Bloomberg Chat to discuss confidential information, would spare them the attention of regulators and enforcers. That, however, changed today when the UK regulator, the Financial Conduct Authority imposed a fine of £37,198 on a former Jefferies banker for sharing confidential client information over WhatsApp. “The FCA found that Mr Niehaus failed to act with due skill, care and diligence.”