Question

Operating systems come packaged with many digital certificates from certificate authorities (CAs). Use the Internet to determine how to view the CAs for the type and version of operating system that you are using and view the list. How many have you heard of? How many are unknown? Select three of the publishers and research their organizations on the Internet. Write a one-paragraph summary of each CA.

Answer 1

a)

To discover the CAs in Windows

Step 1- click on start button.

Step 2 -go to run

step 3 - click certutil-config--ping command

b)

Name of CA that mostly known are

GeoTrust

Symantec

lets encrypt

Comodo

Digicert

c)

Three publishers that publish certificate authorities are

LET'S ENCRIPT

Above all else its free and supported by organizations like face book, chrome , Mozilla etc. you can get a CV endorsement as much as possible and furthermore its restoration is likewise free. It doesn't implies that in the event that it is free than it isn't secure, it is secure however doesn’t accompanies additional highlights and guarantee. It is truly feasible alternative for some site that just requires space approval.

The limitation of this CA is that it just gives DV, SAN and UC certificates with without any warranty or extra features. There are dark gadgets and program forms that aren't viable.

So on the off chance that you are in financial plan, at that point you can go for this.

COMODO

It offers special case and EV certificates. It gives four kinds of certificates namely DV, trump card, EV and UC. It likewise allows you to redesign your upgrade your certificate warranty. You can likewise redesign it and get a logo to attach on your website.

the negative marks of this CA is that filtering highlight is just for one authentication for each record .A logo is given distinctly for special case and EV certificates. It might be not viable for some program and a few gadgets.

SYMANTEC

It is the most costly CA which accompanies ECC 256-bit encryption, a Symantec logo to put on your site, every day malware examining. It likewise gives UC and DSA backing to your declarations.

It gives five diverse kind of certificate: - Secure Site (DV), Secure Site Pro (DV), Secure Site Wildcard, and Secure Site with EV and Secure Site Pro with EV. It is one of the CAs that gives most elevated warranty. Although its cost is high yet it gives SSL authentication to the individuals who require certain norm of government agencies. It is useful for high traffic sites.

The main limitation of this CA is that its cost is extremely high and weakness is given to just certain declaration