In a recent incident, digital security certificates used for online transactions by some of the web's largest sites, including Google, Microsoft, Skype and Yahoo were hacked by some hacker and now an Iranian hacker has made a claim saying that it was a solo act.

These "SSL" certificates are used to confirm the identity of a site to the user, typically by displaying a padlock icon in the browser bar.

In his claim, he mentioned that he did it as a revenge for the joint authorship by the US and Israel of the Stuxnet worm which was designed to target Iran's nuclear reprocessing facilities.

There were a lot of suspicions in the air that there might be the hand of the Iranian government behind this act but the hacker made a detailed confession of how he broke into the systems by posting all the information including names, accounts and passwords.

Comodo's Chief Executive Melih Abdulhayoglu said, “We believe these are politically motivated, state driven/funded attacks. Iranian government planned to create fake sites that would fool activists inside the country into thinking they were on a secure site which could not be tapped, but instead would collect their details”.

Mikko Hypponen, a Security Expert at F-Secure opined that it didn’t seem possible for a person to create fake certificates for nine principal sites on his own.