High Alert
CNBC Markets

The big business of personal protection: How private security became a $50 billion industry

Private security spending and guard employment have climbed as companies and communities respond to high-profile attacks, even as violent crime falls.

This is a short WorldPing brief. The full report was published by CNBC Markets.

Read the full report at CNBC Markets

More coverage: all crypto & markets news on WorldPing.

Related news

Davyne changes color beyond human sight, opening path to invisible security tagsWorldPing
Phys.org

Davyne changes color beyond human sight, opening path to invisible security tags

While studying the properties of hackmanite, researchers created a new material called davyne that changes color in the near-infrared region. The color change cannot be detected with the human eye, but only with a spectrometer or an infrared-sensitive camera.

Brief by WorldPing · Original reporting by Phys.org