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  2. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    In 2013, reCAPTCHA began implementing behavioral analysis of the browser's interactions to predict whether the user was a human or a bot. The following year, Google began to deploy a new reCAPTCHA API, featuring the "no CAPTCHA reCAPTCHA"—where users deemed to be of low risk only need to click a single checkbox to verify their identity. A ...

  3. Key finder - Wikipedia

    en.wikipedia.org/wiki/Key_finder

    Early models of key finder were sound-based, and listened for a clap or whistle (or a sequence of same), then beeped for the user to find them. Determining what was a clap or a whistle proved difficult, resulting in poor performance and false alarms. Because of this low quality and unreliability, these early key finders were soon discarded and ...

  4. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.

  5. Titan Security Key - Wikipedia

    en.wikipedia.org/wiki/Titan_Security_Key

    The Bluetooth "T1" and "T2" models initially had a security bug that allowed anyone within 30 feet to make a clone of the key. [6] The security firm NinjaLab has been able to extract the key using a side channel attack. [7] In 2019, Google has put a bug bounty up to US$1.5 million on the Titan chip. [8] Newer versions and model numbers include ...

  6. Luis von Ahn - Wikipedia

    en.wikipedia.org/wiki/Luis_von_Ahn

    In 2007, von Ahn invented reCAPTCHA, [24] a new form of CAPTCHA that also helps digitize books. In reCAPTCHA, the images of words displayed to the user come directly from old books that are being digitized; they are words that optical character recognition could not identify and are sent to people throughout the web to be identified. ReCAPTCHA ...

  7. List of Google products - Wikipedia

    en.wikipedia.org/wiki/List_of_Google_products

    reCAPTCHA: A user-dialogue system used to prevent bots from accessing websites. Google Safe Browsing: A blacklist service for web resources that contain malware or phishing content. Titan: A security hardware chip. [6] [7] Titan Security Key: A U2F security token. [8] Titan M: Used in Pixel smartphones starting with the Pixel 3. [9] Titan M2

  8. Find My Device - Wikipedia

    en.wikipedia.org/wiki/Find_My_Device

    Find My Device locates and traces missing Android-powered smartphones, tablets, headphones/earphones, and Wear OS-powered smartwatches.Users have options to play a sound at maximum volume for 5 minutes, secure the device & force it to sign out of its associated Google Account, or erase the device entirely, including sensitive cards such as keys and IDs in Wallet.

  9. Actions on Google - Wikipedia

    en.wikipedia.org/wiki/Actions_on_Google

    Actions on Google was a development platform for the Google Assistant.It allowed the third-party development of "actions"—applets for the Google Assistant that provide extended functionality.