The Rapport is free security software and can be downloaded from HSBC’s personal online banking site. The software works with both PCs and Macs.

Rapport protects customer data and prevents fraudulent activity by locking down browsers to prevent unauthorised access to web pages and to the confidential information that flows through the browsers.

However, the new software is not designed to replace customers’ antivirus or firewall packages, but to act in conjunction with them and protect the customer’s browser against financial malware attacks and fraudulent phishing websites.

Nick Staib, digital security manager at HSBC, said: “Download rates have surpassed our most optimistic expectations. I am delighted that so many customers share our interest in keeping personal and banking details safe.”