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Photo: Yui Mok/PA Images via Getty Images

While biometrics can offer added security, two separate issues highlight limitations of the technology, especially when used as the sole means of locking a smartphone and user accounts.

Driving the news: Samsung says it is working on a software update for the Galaxy 10 after a user in Britain discovered that using a protective case, in some circumstances, will allow any fingerprint to unlock the device.

  • Google acknowledged that the face recognition technology on the Pixel 4 will unlock the device even if a user's eyes are closed. Apple, by contrast, designed Face ID so that a user must be looking at the screen to prevent someone gaining access by pointing a phone at a dead or sleeping owner.

Why it matters: Fingerprint and face recognition can add simplicity and security, when done right. When done wrong, though, they can put users at risk.

Go deeper

Wall Street braces for more turbulence ahead of Election Day

Illustration: Eniola Odetunde/Axios

Wall Street is digging in for a potentially rocky period as Election Day gets closer.

Why it matters: Investors are facing a "three-headed monster," Brian Belski, chief investment strategist at BMO Capital Markets, tells Axios — a worsening pandemic, an economic stimulus package in limbo, and an imminent election.

Dave Lawler, author of World
3 hours ago - World

How Biden might tackle the Iran deal

Photo illustration: Aïda Amer/Axios. Photo: Drew Angerer/Getty Images

Four more years of President Trump would almost certainly kill the Iran nuclear deal — but the election of Joe Biden wouldn’t necessarily save it.

The big picture: Rescuing the 2015 Joint Comprehensive Plan of Action (JCPOA) is near the top of Biden's foreign policy priority list. He says he'd re-enter the deal once Iran returns to compliance, and use it as the basis on which to negotiate a broader and longer-lasting deal with Iran.

Kamala Harris, the new left's insider

Photo illustration: Eniola Odetunde/Axios. Photo: Joe Buglewicz/Getty Images     

Progressive leaders see Sen. Kamala Harris, if she's elected vice president, as their conduit to a post-Biden Democratic Party where the power will be in younger, more diverse and more liberal hands.

  • Why it matters: The party's rising left sees Harris as the best hope for penetrating Joe Biden's older, largely white inner circle.

If Biden wins, Harris will become the first woman, first Black American and first Indian American to serve as a U.S. vice president — and would instantly be seen as the first in line for the presidency should Biden decide against seeking a second term.