The meaning of the Acronym IIS is...

IIS is

• Incredibly Insecure Stuff
• Internet Infected Server
• It Isn't Secure
• It Isn't Safe

More Meanings For IIS:

• Inverted Index Search
• Internet Information Services
• Integrated Interchip Sound
• Internet Information Services
• Internet Information Services
• Internet Information Server
• Is It Secure
• Irreducible Infeasible Subsystem
• Induced Is Shared
• I Is Shit
• Idiotic Intrusion Service
• Incredibly Insecure Stuff
• Internet Infected Server
• It Isn't Secure
• It Isn't Safe

IIS is also in:

• Adults
• Chat
• Databases
• Funnies
• General
• Hardware
• Mathematics
• Networking
• Psychology
• Software
• Telecom