What ISP's looking for in a BGP Security Solution?

Respected AllI would like to discuss some of the questions related to BGP Security which might be quite helpful in my research.1.What are you using now for BGP Security problems like Prefix hijacking,Path Spoofing,etc?2.What you would be looking for in any BGP Security Solution?3.Are solutions like BGPMon,PHAS,PGBGP are implemented anywhere?4.Are there some new issues related to BGP Security than widely discussed in research/conference/forums?5.Any other points you want to share.Thank You.Akmal Khan