The original SCP logo was designed by far2, based on a free asset from Adobe Illustrator’s “Mad Science” asset library, which in turn was based on the electrostatic discharge warning symbol. The first high-resolution PNG version of the logo was made by Aelanna, based on the original SCP logo.
It will secure it? ✓ (tightly, tighter!!)
Will it contain it? ✓ (depending on event severity)
Well it protect it? ✓ (a few light scrapes & scratches)
Logo lore (meta): wiki/File:SCP_Foundation_(emblem).svg
Also:

The foundation is always been out there. Hiding in plain sight.
I mean how many companies have acronyms that spell out SCP? There’s dozens of shell companies and secret sites hiding in plain site.