The amount of information being transmitted from things continues to rise. Much of this data originates outside of the enterprise. The scale of security risks in the Internet of Things (IoT) era is therefore much greater than in the pre-IoT environment, and the 'attack surface' is much larger. Most sensor-based things have minimal computing resources, and the opportunities for antivirus, encryption and other forms of protection within things are more restricted. Therefore, IoT security products with a variety of capabilities emerged to help dispel some of these challenges.
Public-key infrastructure (PKI) is a foundational infrastructure component used to securely exchange information using digital certificates. It is included in all the browsers to protect traffic across the public internet, and organizations use it to secure their business environment. The organizations generally use public-key cryptography and X.509 certificates for authentication and verification of the ownership of a public key. The software allows for end-to-end lifecycle management of these certificates. The certificate lifecycle management (CLM) includes enrollment, validation, deployment, revocation, and renewal of the certificates to provide uninterrupted service. Fundamentally, security and risk management technical professionals use PKI and CLM software to manage risks. The software can alert and notify the admin users if the certificates are expiring or are out of policy compliance. Further, the software also provides capabilities to discover, assign ownership, and report on the organization’s usage of certificates from multiple CAs.
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