Clinton, Rubio leading 2016 field — in website security

Hillary ClintonHillary Diane Rodham ClintonTrump's economic approval takes hit in battleground states: poll This is how Democrats will ensure Trump's re-election The Hill's Morning Report - Trump takes 2020 roadshow to New Mexico MORE and Sen. Marco RubioMarco Antonio Rubio The 13 Republicans needed to pass gun-control legislation GOP group's ad calls on Graham to push for election security: 'Are you still trying?' Former Massachusetts Gov. Deval Patrick joins CBS News as contributor MORE are leading the likely 2016 presidential field when it comes to website security, according to one analysis.

Clinton and Rubio (R-Fla.), who each announced presidential bids in the last 24 hours, won high marks from Web developer Paul Schreiber for automatically encrypting Web traffic to their campaign sites.

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Sens. Rand PaulRandal (Rand) Howard PaulRand Paul: Almost every mass shooter 'is sending off signals' Liz Cheney says world is more stable, 'safer' under Trump Sunday shows preview: Democratic candidates make the rounds after debate MORE (R-Ky.) and Ted CruzRafael (Ted) Edward CruzTed Cruz knocks New York Times for 'stunning' correction on Kavanaugh report 2020 Democrats call for Kavanaugh to be impeached Warren: Kavanaugh 'should be impeached' just like Trump MORE (R-Texas), on the other hand, do not direct users to a HTTPS-version campaign website by default.

Cruz's encrypted site also does not work without the "www" at the beginning of the address. Schreiber called this a sign that the senator's team "isn't very good" at operating online, pointing to early technical stumbles for his campaign.

Encryption adds an additional layer of security to Web browsing by ensuring that snoopers cannot monitor traffic.

Taking this step is seen as a crucial measure of an organization's seriousness online. The White House, after encrypting its own traffic last month, is pushing for all federal agencies to do the same.

"So, you want to run a country. Can you hire someone who can run a website? These days, that means all new sites, whether running the government or delivering news should be built over HTTPS," Schreiber, who works for data site FiveThirtyEight, wrote Sunday in a blog post.

The post also inventoried the content delivery networks, mail servers and other aspects of the four declared candidates' sites.

Rubio and Cruz registered their domain names through GoDaddy, Clinton used Network Solutions, while Paul used Fabulous.com, for example.