Meanings of solid security in English

You see there's such a solid security behind you.

Palantir had been selling its data storage, analysis, and collaboration software to police departments nationwide on the basis of rock- solid security.

The infantry, back under the solid security of Joe Johnston's leadership, had marched on into North Carolina-toface Sherman's destructive sweep there.

Let's Encrypt has solid security, but some paid certificate authorities offer warranties in the event anything goes wrong, as well as other upgrades.

The demand comes before the returns, and they have nothing at hand with which they can either purchase money or give solid security for borrowing.

We took solid securities; we settled doubtful questions; we corrected anomalies in our law.

"The Alliance has solid security," the young man admitted, speaking with a casual nonchalance as he worked.