Software Protection Initiative – Lightweight Portable Security

Software para seguridad.

Software Protection Initiative

15 June 2011: LPS-Remote Access was certified by AFNIC to connect to the GIG for general telecommuting use

Lightweight Portable Security (LPS) creates a secure end node from trusted media on almost any Intel-based computer (PC or Mac). LPS boots a thin Linux operating system from a CD or USB flash stick without mounting a local hard drive. Administrator privileges are not required; nothing is installed. The LPS family was created to address particular use cases: LPS-Public is a safer, general-purpose solution for using web-based applications. The accredited LPS-Remote Access is only for accessing your organization’s private network.

LPS-Public allows general web browsing and connecting to remote networks. It includes a smart card-enabled Firefox browser supporting CAC and PIV cards, a PDF and text viewer, Java, and Encryption Wizard – Public. LPS-Public turns an untrusted system (such as a home computer) into a trusted network client. No trace of work activity (or malware) can be written to the local computer. Simply plug in your USB smart card reader to access CAC- and PIV-restricted US government websites.

LPS differs from traditional operating systems in that it isn’t continually patched. LPS is designed to run from read-only media and without any persistent storage. Any malware that might infect a computer can only run within that session. A user can improve security by rebooting between sessions, or when about to undertake a sensitive transaction. For example, boot LPS immediately before performing any online banking transactions. LPS should also be rebooted immediately after visiting any risky web sites, or when the user has reason to suspect malware might have been loaded. In any event, rebooting when idle is an effective strategy to ensure a clean computing session. LPS is updated on a regular basis (at least quarterly patch and maintenance releases). Update to the latest versions to have the latest protection.

To get started, download an LPS-Public ISO image or LPS-Public Deluxe ISO image and burn it to a CD. Read the Quick Start Guide for more information.


Thumb drives

Release Notes


Disc Labels


Download the LPS-Public ISO image, version 1.5.3 (20 June 2014).

Download the LPS-Public Deluxe ISO image, version 1.5.3 (20 June 2014). This version is the same as the LPS-Public edition, but also includes LibreOffice and Adobe Reader software.

Click here to be notified when a new version of LPS is released

Read the LPS-Public Datasheet.

Read the LPS-Public Quick Start Guide.

Read the LPS-Public User’s Manual.

Read about and request LPS-Remote Access.

If you are unable to download .iso format files, or are getting incomplete downloads, you may wish to try the zipped format instead.

Zip format LPS-Public ISO image, version 1.5.3 (20 June 2014)
Zip format LPS-Public Deluxe ISO image, version 1.5.3 (20 June 2014)

If you have problems running the normal version, if error messages indicate an incompatible processor, you may wish to use these versions which are compiled to not use Physical Address Extension (PAE), which may be unavailable on older CPUs.

NON-PAE LPS-Public ISO image, version 1.5.3 (20 June 2014)
NON-PAE LPS-Public Deluxe ISO image, version 1.5.3 (20 June 2014)

Download the LPS Source Code (warning: >1GB)



Acerca de Rafael Quintana

Con ganas de compartir y de aprender
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