As many as 140,000 non-medical staff, including porters and housekeepers, have access to sensitive NHS patient files, it emerged last night. The astonishing lack of privacy protection has been revealed by a Freedom of Information survey. Government guidelines say only staff involved in 'providing and supporting patient care' should have access to confidential information. But trusts are interpreting the rules so widely that administrators, porters and IT staff are all cleared to potentially delve into a person's medical file.