The new code contains an execution routine may not be removed as it is part of the confirmation used by their servers when you go online.
Let's hope hackers can't find a way of using this code to attack your console. This firmware change appears to be a direct response to the jailbreak that appeared to open the door to pirate software. Sony have already taken a restraining order out against Geohot who discovered the exploit and claim it doesn't open the console to piracy.
Let's hope this firmware update is better planned than Sony's rootkit deployed on some CD titles. This caused Windows exposure to hacks and led to a class action lawsuit against the company.
Previously on gamezplay....
GeoHot's latest discovery: Reveals PS3 'root key' to allow custom/pirated software
Hackers say they unlocked the latest firmware for the PlayStation 3 game console, less than 24 hours after Sony released it in a desperate attempt to stuff the jailbreaking genie back in the bottle...
Read more on The Register