In pictures: Tech CEOs hacked by OurMine

Cyber-criminal group OurMine are hacking social media accounts of top CEOs, find out who has already been targeted
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The infamous hackers OurMine are reportedly a three-man band, who as of late have not only been compromising celebrity social media accounts, but also of well-known tech CEOs. The group claim to have used data from the Dark Web to test the security of these accounts. (YouTube)
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Facebook CEO Mark Zuckerberg lost control of his LinkedIn, Pinterest and Twitter accounts after OurMine claimed to have found Zuckerberg’s credentials from the 2012 stolen LinkedIn password database. Zuckerberg was also guilty of re-using the weak password ‘dadada’ for multiple sites. (Getty Images)
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Oculus CEO Brendan Iribe had his Twitter account targeted, and the hacker, dubbed @Lid, declared himself as the new CEO of the virtual reality company and demanded a free Oculus Rift from Iribe. (Getty Images for TechCrunch)
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Twitter co-founder Evan Williams told Mashable that OurMine had gained access to his Twitter account via Foursquare. OurMine tweeted from Williams’ account but it was deleted shortly after. (Getty Images for WIRED)
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Spotify CEO and co-founder Daniel Ek had his Twitter account hacked by OurMine, who tweeted: “Hey, it’s OurMine, we are just testing your security, please visit to upgrade your security.” The message is the group's signature tweet. (Getty Images for Spotify)
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Uber’s Travis Kalanick is another CEO who fell victim to OurMine after they posted unauthorised messages from his Twitter account, which was potentially linked to his Quora account. (Tobias Hase/AFP/Getty Images)
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Amazon’s CTO Werner Vogels’ Twitter account was also targeted and OurMine posted its signature tweet through his account. (Eric Piermont/AFP/Getty Images)
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Twitter CEO Jack Dorsey is the latest victim, as OurMine claim have taken over his Twitter and Vine accounts. Since then, the tweet has been deleted and Dorsey has reportedly gained control of his account, however has not confirmed is he was hacked. (Justin Tallis/AFP/Getty Images)
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Yahoo CEO Marissa Mayer found the same tweet by the group but was quick to delete it. The tweet stated: "Today, we checked Marissa Mayer Security, and we got access to her Twitter account, her security was really weak." (Getty Images for Fortune)
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Google's CEO Sundar Pichai has also fallen victim to such an attack. The cybercriminals claimed it had gained control of Pichai's Twitter and Quora accounts, and were also responsible for positing tweets to his Twitter timeline. These tweets have since been removed. (Getty Images)
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Former Twitter CEO Dick Costolo was also hacked by the group, however according to Costolo, he claims that it wasn’t his account that was hacked, but instead it was an old account from another service. (Getty Images)