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In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...
A command line tool for Unix. su (substitute user) allows users to switch the terminal to a different account by entering the username and password of that account. If no user name is given, the operating system's superuser account (known as "root") is used, thus providing a fast method to obtain a login shell with full privileges to the system.
A notification alerting a user of a failed login attempt from a new device. Through the notification system, you will be alerted when someone attempts and fails to log in to your account. Multiple alerts are bundled into one for an attempt from a new device/IP, but for a known device/IP, you get one alert for every 5 attempts.
The ways in which someone may be authenticated fall into three categories, based on what is known as the factors of authentication: something the user knows, something the user has, and something the user is. Each authentication factor covers a range of elements used to authenticate or verify a person's identity before being granted access ...
The easier a password is for the owner to remember generally means it will be easier for an attacker to guess. [12] However, passwords that are difficult to remember may also reduce the security of a system because (a) users might need to write down or electronically store the password, (b) users will need frequent password resets and (c) users are more likely to re-use the same password ...
A user who is authenticated by a cookie saved in the user's web browser could unknowingly send an HTTP request to a site that trusts the user and thereby cause an unwanted action. A general property of web browsers is that they will automatically and invisibly include any cookies (including session cookies and others) used by a given domain in ...
Users may still be susceptible to phishing attacks. An attacker can send a text message that links to a spoofed website that looks identical to the actual website. The attacker can then get the authentication code, user name and password. [19] A mobile phone is not always available—it can be lost, stolen, have a dead battery, or otherwise not ...
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.