ALERTS Act of 2008

Alerting Lives through Effective and Reliable Technological Systems Act of 2008 or ALERTS Act of 2008 - Amends the Homeland Security Act of 2002 to direct the Secretary of Homeland Security to: (1) establish a national integrated public alert and warning system; (2) develop within such system a commercial mobile alert system to provide rapid dissemination of information over commercial mobile devices; and (3) designate an agency within the Department of Homeland Security (DHS) to receive, aggregate, validate, and authenticate homeland security and other information originated by authorized federal, state, local, and tribal governments to facilitate the transmission of such mobile alert system.

Requires the Secretary to: (1) establish common alerting and warning protocols, standards of performance, and terminology; (2) include the capability to adapt the dissemination of information and the content of communications on the basis of geographic location, risks, or user preferences and to alert special needs populations; (3) ensure that the national warning system is incorporated into DHS training and exercise programs; and (4) coordinate with other federal agencies, state, local, and tribal governments, and key stakeholders.

Directs the Secretary to conduct a pilot program to increase the national warning system's reach.

Amends the Implementing Recommendations of the 9/11 Commission Act of 2007 to authorize the use of grant funds to permit state, local, and tribal governments to improve public alert and warning capabilities.

Prohibits tampering or interfering with components of the national warning system that are used or designed to deliver alerts and warnings and that were purchased with public funds.