CIS harnesses the power of a global IT community to safeguard public and private organizations against cyber threats.
The Multi-State Information Sharing and Analysis Center (MS-ISAC) is the focal point for cyber threat prevention, protection response and recovery for U.S. State, Local, Tribal and Territorial government entities. CIS is home to the MS-ISAC.
Our security best practices are referenced global standards verified by an objective, volunteer community of cyber experts.
Secure Online Experience
CIS is an independent, non-profit organization with a mission to provide a secure online experience for all.
Advisory • 25 May 2017
Advisory • 24 May 2017
Media mention • 23 May 2017
Advisory • 18 May 2017
Blog post • 17 May 2017
White paper • 17 May 2017
Rogue software, or "scareware," is fake antivirus or security software. Bad guys usually try to get you to install it by generating a pop-up window as you surf the web. The "updates" or "alerts" in the pop-up windows call for you to take some sort of action, such as clicking to install the software. When you click, the rogue security software downloads to your computer.