Answer: Software
Step-by-step explanation:
Security certificate is defined as the assurance that maintain authenticity and intactness of a website or different sites.It is present in small sized data filed that establishes encryption and validation through verification of owner's identity.
- As per the suggestion of Webmaster, who takes care of web-pages and web-servers , security certificate should be purchased to verify the transmission of message with encryption.
- Certificate in this case will be acting as software for providing security and operations to the websites.