FIX is the standard messaging protocol used by trading platforms, banks and brokers to communicate trade information. Traditionally the FIX protocol only offers very basic security options. In the past the opinion of the FIX organisation has been that security is not part of the core expertise of the FIX organization. The FIX organisation did provide some help and guidelines.
Now a working group has been formed to research the need and possibility for hardening the technology used for transactions around the world. Because the threat of financial institutions being breached is very real, its a topic worth following.