POLITICO The Pentagon had an email security problem. The pandemic fixed it. Prompted by the coronavirus vaccine effort, the Defense Department has quietly adopted an encryption protocol that had been available since 2002. The Department of Defense in Washington D.C. | Patrick Semansky/AP Photo Link Copied The scramble to protect coronavirus research from hackers has spurred the Defense Department to fix a much larger problem — a long-known security hole that allowed tens of thousands of emails to go into the world unprotected from snooping. In December, the Pentagon quietly adopted a securi...