A hacker group is claiming that new files they are going to release about 9/11 would top the “finest work” by American whistle blower Edward Snowden.

“What we're about to announce and leak will top Edward Snowden's finest work, both in volume and in impact,” the Dark Overlord announced in a post on Pastebin.

It also posted a link to a 10-gigabyte encrypted archive of documents, vowing to release the encryption keys if their demands were not met.

It further indicated that the content would lead to an international uproar.

“The subsequent release of these materials will generate millions of news articles and result in the biggest and most significant data breach ever to have occurred.”

The group also claimed that the information was obtained from insurers and government agencies.

Some of the documents were stolen in an April hack of an unnamed law firm, which has reportedly paid ransom to the hacker group but also notified law enforcement officials.

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“We’ll be providing many answers about 9.11 conspiracies through our 18,000 secret documents leak,” read a Twitter post by the group, infamously known for hacking American media-services provider Netflix.

Many questions yet remain unanswered bout the terrorist attacks on US soil on September 11, 2001 while conspiracies abound.