How to Use two-factor authentication in a Sentence

two-factor authentication

noun
  • But don’t use a phone number for two-factor authentication.
    — Zak Doffman, Forbes.com, 16 May 2026
  • There are stronger methods of two-factor authentication than text messages.
    — Tripp Mickle, New York Times, 21 Feb. 2025
  • Turning on two-factor authentication for your online accounts can be a pain.
    — Shara Tibken, WSJ, 11 Jan. 2024
  • Set up two-factor authentication for all your online accounts.
    — Jibin Joseph, PC Magazine, 19 May 2025
  • Make sure your online accounts are secured and use two-factor authentication.
    — Sen Nguyen, CNN, 29 Jan. 2024
  • The report also warns if your master password is weak and zings you for not using two-factor authentication.
    — PCMAG, 22 Jan. 2024
  • Without cell phones, people might not be able to use two-factor authentication to get into email and other accounts.
    — USA TODAY, 23 Feb. 2024
  • That can be a big deal because your phone number is tied to important things like banking alerts and two-factor authentication codes.
    — Ken Colburn, AZCentral.com, 26 Jan. 2026
  • Use a strong password and turn on two-factor authentication (2FA) to lock it down.
    — Kurt Knutsson, FOXNews.com, 28 Apr. 2026
  • Set a long, unique master password and enable two-factor authentication.
    — Kurt Knutsson, FOXNews.com, 16 Dec. 2025
  • Secure your primary email with a long, unique password and two-factor authentication.
    — Kurt Knutsson, FOXNews.com, 31 Dec. 2025
  • Where passwords can be stolen, breached and hacked, and two-factor authentication codes can be bypassed, intercepted or shared, passkeys are locked down.
    — Zak Doffman, Forbes.com, 28 Aug. 2025
  • GitHub says that users should enable two-factor authentication and add a passkey for good measure by way of account protection.
    — Davey Winder, Forbes.com, 20 May 2026
  • All three touted their security features, like two-factor authentication, and how easy their machines are to use.
    — Amanda Gokee, BostonGlobe.com, 2 Aug. 2023
  • Model strong digital habits at home by using unique passwords and turning on two-factor authentication.
    — Kurt Knutsson, FOXNews.com, 12 Nov. 2025
  • Another simple way to deter these kinds of attacks is by using two-factor authentication.
    — Paige Hagy, Fortune, 8 Aug. 2023
  • Next, enable two-factor authentication on your email and any other critical accounts.
    — Kurt Knutsson, FOXNews.com, 9 Oct. 2025
  • The real aim is to capture login credentials or trick you into handing over two-factor authentication codes.
    — Kurt Knutsson, FOXNews.com, 4 Oct. 2025
  • The company has added fixes like end-to-end encryption of its audio and video and two-factor authentication to address this issue.
    — Kaz Weida, Popular Mechanics, 28 Apr. 2023
  • The sale will require two-factor authentication with fans verifying both their email address and phone number to gain access using a unique code.
    — Larisha Paul, Rolling Stone, 10 Nov. 2025
  • Things such as a fallback password and/or two-factor authentication codes, even codes that are securely stored off device, for example.
    — Davey Winder, Forbes, 22 Jan. 2025
  • The same account also failed to activate two-factor authentication, enabling the hackers to gain easy access once the password had been guessed.
    — Michael Kan, PCMAG, 26 Jan. 2024
  • The Tapo app supports two-factor authentication, which is optional.
    — Jennifer Pattison Tuohy, The Verge, 15 Aug. 2024
  • That may mean installing limits to your time on certain apps, setting up two-factor authentication or only consuming news through old-school media sources.
    — Ryan Ermey, CNBC, 5 Nov. 2024
  • Sounds convenient, until someone sees your two-factor authentication code, private message or bank alert over your shoulder.
    — Kurt Knutsson, FOXNews.com, 30 July 2025
  • The other critical advice is to use a non-SMS form of two-factor authentication and to add a passkey.
    — Zak Doffman, Forbes.com, 16 Aug. 2025
  • Whether the flaw could hijack accounts protected by two-factor authentication isn't entirely clear.
    — Michael Kan, PC Magazine, 1 June 2026
  • The most common form of two-factor authentication — or 2FA — relies on text messages.
    — Chris Velazco, Washington Post, 6 Mar. 2024
  • For instance, demonstrate how using two-factor authentication can help prevent fraud, making users feel safer and more empowered rather than overwhelmed.
    — Expert Panel®, Forbes, 21 Oct. 2024
  • Updating your passwords and enabling two-factor authentication on all accounts is a basic but crucial defense.
    — Kurt Knutsson, FOXNews.com, 6 Aug. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'two-factor authentication.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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