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The latest NSA leak from Edward Snowden has resulted in a strong reaction from Google (Wikimedia Commons)

"We have long been concerned about the possibility of this kind of snooping, which is why we have continued to extend encryption across more and more Google services and links, especially the links in the slide. We do not provide any government, including the US government, with access to our systems. We are outraged at the lengths to which the government seems to have gone to intercept data from our private fiber networks, and it underscores the need for urgent reform."

(ALSO SEE: NSA Collected E-Mails Not Tied To Terrorism)

Sarah Meron, a Yahoo spokeswoman, said that Yahoo has "strict controls in place to protect the security of our data centers", and that Yahoo "have not given access to our data centers to the NSA or to any other government agency".

The NSA director Army General Keith Alexander however, dismissed the original Washington Post report at a cybersecurity conference in Washington on Wednesday. 

"This is not NSA breaking into any databases. It would be illegal for us to do that," Alexander said. "So, I don't know what the report is. But I can tell you factually we do not have access to Google servers, Yahoo servers. We go through a court order."

The constant reports surrounding the NSA's spying has had its effects around the world, with China deciding to increase its security after reports of NSA agents spying on leaders of the US' allies. Hua Chunying, a spokeswoman for the Chinese Foreign Ministry, was quoted as saying:

"Like many other countries, we have been paying close attention to these reports. China is concerned about the continued revelations of eavesdropping and surveillance and is paying attention to how the situation develops. We will take the necessary steps to resolutely maintain the security of our own information."

Furthermore, El Mundo, a Spanish newspaper that revealed on Monday that the NSA had tapped into 60.5 million phone calls in Spain over just one month, went one step further on Wednesday, claiming that Spain's intelligence services were not just fully aware of the NSA's spying, but went as far as aiding the NSA to spy on their own citizens. The report lists Spain as part of a second tier of 20 countries that provide "focused co-operation" to the NSA. Australia, New Zealand, Canada, and the United Kingdom make up the top tier. General Félix Sanz Roldán, Spain's national intelligence chief, will meet with a closed-doors congressional committee in Madrid to answer the allegations. 

READ: Spain To Meet U.S.Ambassador Over NSA Spying

Meanwhile, Edward Snowden, whose whereabouts in Russia are still unknown, has found a tech support job at a major Russian website according to his lawyer Anatoly Kucherena, and will start work on Friday.

Contact Executive Producer Adi here, or follow him on Twitter.