TikTok is introducing a new Security Checkup dashboard designed to make it easier for users to review and update their account security settings. On Monday the company announced the tool as a way for people to better monitor their account's security status and make changes as needed. By selecting "Settings & privacy" then tapping "Security & permissions," people can add a backup login method, enable two-step verification, check which devices have access to their account, and enable Face ID or Touch ID for more secure sign-ins. TikTok said that if it detects unusual activity, it will flag the issue in...