It's becoming trendy for private companies to volunteer their services for the sake of election security. Will they help beyond 2018?

A lot of companies are offering to help protect election infrastructure. Here's a full list.

Dubbed "Project Shield," Jigsaw's defensive software is designed to flag, filter and contain loads of malicious traffic.

As the threat of cyber warfare looms over Europe in the months preceding several crucial elections, Alphabet subsidiary companies Jigsaw and Google announced Tuesday the launch of…