PAP authentication sends passwords in clear text, making it less secure compared to other authentication methods like CHAP.
name and other information
Authentication
Authentication
Availability, Confidentiality, Authentication and Integrity
To change your authentication question, go to your account settings or security settings on the platform where the question is set. Look for an option to change or update your security question, then follow the prompts to enter a new question and answer. Make sure to choose a question that is memorable but not easily guessable by others.
Select the My Personal Information high-level task, click the Password link then specify another authentication and response
IPsec
No. It does perform authentication, but the password is sent to the server in clear text; this means that anyone with ample knowledge and access to your network or any network between you and the server could grab this information.
phishing
Call them or visit their website. All the information you need is there.
Authentication is a process in which the credentials provided are compared to those on file in a database of authorized users' information on a local operating system or within an authentication server. If the credentials match, the process is completed and the user is granted authorization for access.