New Delhi, June 26 -- The Income Tax Department offers an optional security feature called e-Filing Vault Higher Security, which adds an extra layer of protection to taxpayers' accounts through two-factor authentication.

While enabling the e-filing vault is not mandatory, you can activate it to reduce the risk of unauthorized access. The additional security can be especially useful if you have shared login credentials with a chartered accountant, tax consultant or any other person for return filing or related compliance.

Let's understand what it is and how you can enable this feature in your account.

The e-Filing Vault Higher Security is designed to strengthen the security of a taxpayer's e-filing account by requiring a second level of...