WikiLeaks has claimed the CIA planned to hack cars and trucks to carry out assassinations.

The secretive organisation said the U.S. Central Intelligence Agency used the phone’s geolocation software to tap into vehicle control systems in modern cars.

The hacking organisation made the statement as it announced a huge release of confidential documents from the CIA as part of its mysterious Year Zero series, founder Julian Assange claimed.

It claims the CIA has been carrying out a global covert hacking program that exploits US and European companies.

It claims these include Apple’s iPhone, Google’s Android and Microsoft’s Windows and even Samsung TVs, which it says “are turned into covert microphones.”

Mr Assange was set to speak about Year Zero on Facebook today, but a livestream of the event was reportedly hacked. It is not clear when the event has been rescheduled to.

The group said that from October 2014 the CIA was “looking at infecting the vehicle control systems used by modern cars and trucks” to possibly enable them to “engage in nearly undetectable assassinations.”

They added: “The CIA’s Mobile Devices Branch (MDB) developed numerous attacks to remotely hack and control popular smart phones.”

They claimed these included iPhones, which account for 14% of the market and Google Android, “which is used to run the majority of the world’s smart phones (85%) including Samsung, HTC and Sony. 1.15 billion Android powered phones were sold last year.”

They claimed: “Infected phones can be instructed to send the CIA the user’s geolocation, audio and text communications as well as covertly activate the phone’s camera and microphone.”

They said the CIA could then “bypass the encryption of WhatsApp, Signal, Telegram, Wiebo, Confide and Cloackman by hacking the “smart” phones that they run on and collecting audio and message traffic before encryption is applied.”

In an online statement on its website, Wikileaks also claims the attack against Samsung smart TVs was developed in cooperation with the UK’s domestic intelligence agency MI5/BTSS.

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It claims “Weeping Angel”, developed by the CIA’s Embedded Devices Branch (EDB), infests smart TVs, transforming them into covert microphones.

The organisation added: “After infestation, Weeping Angel places the target TV in a ‘Fake-Off’ mode, so that the owner falsely believes the TV is off when it is on.

“In ‘Fake-Off’ mode the TV operates as a bug, recording conversations in the room and sending them over the internet to a covert CIA server.”

They also claimed the CIA also runs “a very substantial effort to infect and control Microsoft Windows users with its malware, infecting CDs, DVDs and USB sticks.

The hacking group said the publication release as part of Year Zero is from 8,761 documents and files from an isolated, high-security network situated inside the CIA’s Center for Cyber Intelligence.

Wikileaks said: “Recently, the CIA lost control of the majority of its hacking arsenal including malware, viruses, trojans, weaponized “zero day” exploits, malware remote control systems and associated documentation.