Session-limited, manually-entered user authentication information

A method for granting access by a user to a computerized system, comprising the steps of:

• (a) first, authenticating the user for granting access to the computerized system based on initial user authentication information;
• and
• (b) every time upon a successful authentication performed in said step (a),
• (i) establishing a session, during which the user is granted the access to the computerized system,
• (ii) saving a resultant based on session-limited user authentication information
• (A) which session-limited user authentication information is manually-entered by the user after the successful authentication performed in said step (a), and
• (B) which session-limited user authentication information is different from the initial user authentication information on which is based the successful authentication performed in said step (a), and
• (iii) using the saved resultant, during the established session, for authenticating the user for granting subsequent access during the session based on subsequent user authentication information that is manually entered.