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:

• Irreducible Infeasible Subsystem
• Induced Is Shared
• Integrated Information Services
• Cigna Investments Securities, Inc.
• Internet Information Service (Microsoft)
• It Isn't Safe
• Interactive Internet Sports
• Inverted Index Search
• Internet Information Services
• Integrated Interchip Sound
• Internet Information Services
• Internet Information Services
• Internet Information Server
• internet information officer
• Inter-vehicular Information System

IIS is also in:

• Databases
• FDA
• General
• Hardware
• Law
• Mathematics
• Military
• Networking
• NYSE Symbols
• Products
• Psychology
• Software
• Sports
• Telecom