Bhopal (Madhya Pradesh) [India], April 19 (ANI/PNN): Passwords alone are insufficient to protect against today's security threats. Most large firms rely on Public Key Infrastructure (PKI) to secure the security of online transactions. Typically, accessing internal resources within a company necessitates authentication. XtraTrust DigiSign Pvt Ltd (XDPL), a Certifying Authority in India, is licenced by the Controller of Certifying Authorities (CCA) and has grown into a one-stop shop for enterprises' modern PKI requirements and solutions.