The Lightweight Portable Security was designed by the US Air Force for ultra secure communications via LIve CD. It's a small download, although larger than most Puppy relases. There are base & deluxe (Adobe Reader & Libre Office) options, plus the same options for non-PAE enabled computers (very older models).
On 15 June 2011: LPS-Remote Access was certified by AFNIC to connect to the GIG for general telecommuting use.
On 17, March 2014 a new version was released to the general public. There is usually a new version released each year, though there are no set release schedules. However each release included an upgraded Firefox & multiple security additions. There is also an encryption wizard, even for home users.
Guidance is plentiful on the site.
For best possible security, as noted on the page, it's best to reboot before making transactions if one has been browsing and/or has visited risky sites. Any possibly infections will be cleared & you'll begin with a clean OS.
Read on for more.....
I have used this for around 2 years & perform many transactions with this fantastic OS.