A method for providing a security verification measure, comprising: at an electronic device with a display and one or more sensor devices: displaying, on the display, a graphical representation of a communication that includes text information; while displaying the graphical representation of the communication on the display, detecting, via the one or more sensor devices, a change in orientation of the electronic device relative to a reference point; and in response to detecting the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display: in accordance with a determination that the communication has a first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication and outputting a respective type of visual feedback that changes a visual appearance of the text information in the graphical representation of the communication, wherein the visual feedback indicates a magnitude of the change in the orientation of the electronic device relative to the reference point; and in accordance with a determination that the communication has a second state that is different from the first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication without outputting visual feedback that indicates a magnitude of the change in the orientation of the electronic device relative to the reference point. displaying, on the display, a graphical representation of a communication that includes text information; while displaying the graphical representation of the communication on the display, detecting, via the one or more sensor devices, a change in orientation of the electronic device relative to a reference point; and in response to detecting the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display: in accordance with a determination that the communication has a first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication and outputting a respective type of visual feedback that changes a visual appearance of the text information in the graphical representation of the communication, wherein the visual feedback indicates a magnitude of the change in the orientation of the electronic device relative to the reference point; and in accordance with a determination that the communication has a second state that is different from the first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication without outputting visual feedback that indicates a magnitude of the change in the orientation of the electronic device relative to the reference point. in accordance with a determination that the communication has a first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication and outputting a respective type of visual feedback that changes a visual appearance of the text information in the graphical representation of the communication, wherein the visual feedback indicates a magnitude of the change in the orientation of the electronic device relative to the reference point; and in accordance with a determination that the communication has a second state that is different from the first state and with a detection of the change in the orientation of the electronic device relative to the reference point while displaying the graphical representation of the communication on the display, displaying the graphical representation of the text information of the communication without outputting visual feedback that indicates a magnitude of the change in the orientation of the electronic device relative to the reference point.