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Hackers Could be Using DM Route to Hijack Twitter Accounts, Warn Security Researchers

Twitter only contacts users in-app or via an email sent from an @twitter.com email address. The platform never ask users to provide their password via email, Direct Message, or reply

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Twitter, India, Smartphone
Twitter on a smartphone device. Pixabay

With the Twitter accounts of megastar Amitabh Bachchan and singer Adnan Sami getting hacked, security researchers have warned that users should think twice before clicking on the links received in the Twitter Direct Message (DMs).

While Bachchan’s Twitter account was hacked late on Monday, the hackers took control of Sami’s Twitter account on Tuesday.

A group that goes by the name “Ayyildiz Tim Turkish Cyber Army” claimed responsibility for hacking both the high-profile accounts.

“Their modus operandi looks like they sending DM (Twitter Direct Message) to the victims Twitter account and if the victim opens the DM (direct message) he/she is directed to a phishing page which looks like a genuine page,” Sanjay Katkar, Joint Managing Director and Chief Technology Officer, Quick Heal Technologies Ltd. told IANS.

“If the user fills the login credentials on this page his login information is gone to the hackers who later use it to login and change the original password and take control of the account,” he said, adding that there are even other ways a Twitter account can get compromised.

Users with large number of followers should switch on the two-factor authentication for their account, Katkar said.

French security researcher who uses the pseudonym Elliot Alderson pointed to a user who goes by the name Kerem Sah Noyan on Twitter and uses the handle @NoyanAyt2002 as the person behind the hack.

hacking
A man takes part in a hacking contest during the Def Con hacker convention in Las Vegas, Nevada, on July 29, 2017. VOA

“Few hours ago, the account of @SrBachchan with his 37.4M followers has been hacked. There is a high probability that the hacker is @NoyanAyt2002,” Alderson tweeted.

“Guess who is the last person followed by @SrBachchan? Obviously @NoyanAyt2002,” he added.

“To sum up: The hacker of @SrBachchan’s account is @NoyanAyt2002. He is part of team called “Turkish Cyber Army Ayyildiz Tim”. He hacked at least 8 “big” Twitter accounts before that including @dalermehndi, @divyadutta25, @ErosNow, @bmwindia, @dalermehndi, @yanisvaroufakis,” Alderson added.

Twitter only contacts users in-app or via an email sent from an @twitter.com email address. The platform never ask users to provide their password via email, Direct Message, or reply.

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“All the social media services (Twitter/Instagram/Facebook etc,) have the security and privacy feature of two factor authentication. This will make it difficult for hacker to take control of your social media account,” Katkar said.

“I will also recommend everyone to go and read/check/understand all the settings under security and privacy of your social media account. It has lot of features to keep your account safe,” he added. (IANS)

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Iranian Hackers Wage Offensive Cyberattacks Amid Tensions with US

Iran has increased its offensive cyberattacks against the U.S. government and critical infrastructure

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Iranian, Hackers, Cyberattacks
FILE - Iranian President Hassan Rouhani addresses the nation from Tehran, Aug. 6, 2018. Iran has increased its offensive cyberattacks against the U.S. government and critical infrastructure as tensions have grown between the two nations, experts say. VOA

Iran has increased its offensive cyberattacks against the U.S. government and critical infrastructure as tensions have grown between the two nations, cybersecurity firms say.

In recent weeks, hackers believed to be working for the Iranian government have targeted U.S. government agencies, as well as sectors of the economy, including oil and gas, sending waves of spear-phishing emails, according to representatives of cybersecurity companies CrowdStrike and FireEye, which regularly track such activity.

It was not known if any of the hackers managed to gain access to the targeted networks with the emails, which typically mimic legitimate emails but contain malicious software.

U.S. sanctions

Iranian, Hackers, Cyberattacks
FILE – Security firm FireEye’s logo is seen outside the company’s offices in Milpitas, Calif. VOA

The cyber offensive is the latest chapter in U.S.-Iran cyber operations battle, with this recent sharp increase in attacks occurring after the Trump administration imposed sanctions on the Iranian petrochemical sector this month.

Tensions have escalated since the U.S. withdrew from the 2015 nuclear deal with Iran last year and began a policy of “maximum pressure.” Iran has since been hit by multiple rounds of sanctions. Tensions spiked this past week after Iran shot down an unmanned U.S. drone,  an incident that nearly led to a U.S. military strike against Iran on Thursday evening.

“Both sides are desperate to know what the other side is thinking,” said John Hultquist, director of intelligence analysis at FireEye. “You can absolutely expect the regime to be leveraging every tool they have available to reduce the uncertainty about what’s going to happen next, about what the U.S.’s next move will be.”

CrowdStrike shared images of the spear-phishing emails with AP.

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One such email that was confirmed by FireEye appeared to come from the Executive Office of the President and seemed to be trying to recruit people for an economic adviser position. Another email was more generic and appeared to include details on updating Microsoft Outlook’s global address book.

The Iranian actor involved in the cyberattack, dubbed “Refined Kitten” by CrowdStrike, has for years targeted the U.S. energy and defense sectors, as well as allies such as Saudi Arabia and the United Arab Emirates, said Adam Meyers, vice president of intelligence at CrowdStrike.

The National Security Agency would not discuss Iranian cyber actions specifically but said in a statement to AP on Friday that “there have been serious issues with malicious Iranian cyber actions in the past.”

“In these times of heightened tensions, it is appropriate for everyone to be alert to signs of Iranian aggression in cyberspace and ensure appropriate defenses are in place,” the NSA said.

Iranian, Hackers, Cyberattacks
FILE – In 2010, the Stuxnet virus disrupted operation of centrifuges at a uranium enrichment facility in Iran. VOA

Fuel sectors, infrastructure

Iran has long targeted the U.S. oil and gas sectors and other critical infrastructure, but those efforts dropped significantly after the nuclear agreement was signed. Cyber experts said that after President Donald Trump withdrew the U.S. from the deal in May 2018, they saw an increase in Iranian hacking efforts.

“This is not a remote war [anymore],” said Sergio Caltagirone, vice president of threat intelligence at Dragos Inc. “This is one where Iranians could ‘bring the war home’ to the United States.”

Caltagirone said as nations increase their abilities to engage offensively in cyberspace, the ability of the United States to pick a fight internationally and have that fight stay out of the United States physically is increasingly reduced.

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The U.S. has had a contentious cyber history with Iran.

In 2010, the so-called Stuxnet virus disrupted the operation of thousands of centrifuges at a uranium enrichment facility in Iran. Iran accused the U.S. and Israel of trying to undermine its nuclear program through covert operations.

Iran has also shown a willingness to conduct destructive campaigns. Iranian hackers in 2012 launched an attack against state-owned oil company Saudi Aramco, releasing a virus that erased data on 30,000 computers and left an image of a burning American flag on screens.

Banks, dam

In 2016, the U.S. indicted Iranian hackers for a series of punishing cyberattacks on U.S. banks and a small dam outside New York City.

U.S. Cyber Command refused to comment on the latest Iranian activity. “As a matter of policy and for operational security, we do not discuss cyberspace operations, intelligence or planning,” Pentagon spokeswoman Heather Babb said in a statement. The White House did not respond to a request for comment.

Despite the apparent cyber campaign, experts say the Iranians would not necessarily immediately exploit any access they gain into computer systems and may seek to maintain future capabilities should their relationship with the U.S. further deteriorate.

“It’s important to remember that cyber is not some magic offensive nuke you can fly over and drop one day,” said Oren Falkowitz, a former National Security Agency analyst. It takes years of planning, he said, but as tensions increase, “cyber impact is going to be one of the tools they use and one of the hardest things to defend against.” (VOA)