Twitter Preps Two Factor Authentication After AP Hoax

Security move follows a rash of high-profile account takeovers, including a hoax tweet from the Associated Press account about White House explosions.

Breaking: Two Explosions in the White House and Barack Obama is injured.
So claimed a tweet from The Associated Press account, which counts 1.9 million followers, posted at 1:07:50 p.m. Eastern time Tuesday. Just minutes later, however, new tweets issued from other AP accounts began to deny that report.
But the news still seemed to trigger a downturn in the Dow Jones Industrial Average, and the hoax tweet
briefly erased $200 billion of value
from U.S. stock markets on Tuesday, reported
The Wall Street Journal
. It said the downturn had been triggered, at least in part, by automated trading systems that use so-called algorithms that automatically buy and sell shares after scanning news feeds. Those algorithms reportedly reacted to the fake news by waiting to buy new stocks.
In a Tuesday press briefing, White House spokesman Jay Carney confirmed that there had been no explosions, and that the president was safe. I was just with him, he said. The FBI is reportedly investigating the hoax tweet and related Twitter account takeovers.
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Following the hoax tweet, the AP Tuesday
self-reported
that The AP has disabled its other Twitter accounts following the attack.
Tuesday evening, a hacktivist group known as the
Syrian Electronic Army
claimed credit for the AP account takeovers. Ops! @AP get owned by Syrian Electronic Army! #SEA #Syria #ByeByeObama read a tweet posted to the groups @Official_SEA6 Twitter account. The group also claimed credit via its
syrianelectronicarmy.com
website for takeovers of the @AP and @AP_Mobile accounts.
Interestingly, numerous AP accounts remained suspended as of early Wednesday morning. Its a bit surprising that 12 hours after the hack, the Twitter account @AP is still suspended, said Mikko Hypponen, chief research officer at F-Secure,
via Twitter
. But later Wednesday morning, the
@AP account
was again live.
Other still-suspended accounts included @AP_Mobile, @AP_Fashion, @AP_Images, @AP_NFL, @AP_Country, @AP_Travel and @APStylebook. The delay in AP resuming control of those accounts suggests the news agency is still attempting to identify how attackers seized the accounts, or else remediate all machines that may have been compromised by attackers
The AP has yet to disclose how the attackers compromised its Twitter accounts, but released a statement saying that the attack on APs Twitter account and the AP Mobile Twitter account was preceded by phishing attempts on APs corporate network. It didnt specify if those
phishing attacks
used malware attached to emails, emails with links to websites that could launch drive-by attacks that attempted to exploit browser vulnerabilities, or both.
But AP spokesman Paul Colford told
The New York Times
that all of these
phishing attacks had been blocked
.
In the wake of the White House bomb hoax,
Wired
reported Tuesday that Twitter is
now testing a two-factor authentication system
internally and plans to roll it out incrementally to users. The publication cited no source for that information, and said it had learned of no timeline for when such a rollout might begin.
Until Twitter implements that, you can continue to expect to see high-profile accounts be
hijacked with some regularity
, said Christopher Budd, threat communications manager at Trend Micro, in a blog post.
A Twitter spokeswoman didnt immediately respond to a request for comment, emailed outside normal business hours, about either the AP account takeovers or reports that the company is beta-testing a two-factor authentication system.
Twitter in February
advertised a job for an engineer
with expertise in multifactor authentication and fraudulent login detection, following a
watering hole attack
that compromised up to 250,000 users accounts.
Why did the Syrian Electronic Army issue the fake tweet? According to the groups website, its mission includes redressing the campaigns led by the Arab media and Western on our Republic by broadcasting fabricated news about what is happening in Syria. The group is widely seen as being sympathetic to the regime of Syrian president Bashar al-Assad.
The White House bomb tweet hoax follows the groups takeover in recent days of multiple CBS Twitter accounts,
including
60 Minutes
, and posting tweets with links to websites that launched drive-by attacks. The group this week also seized multiple accounts relating to worldwide soccer governing body FIFA. Those takeovers followed the group recently taking control of the
National Public Radio Twitter feed
as well as multiple BBC Twitter accounts.
As of Wednesday morning, the Syrian Electronic Army account @Official_SEA6 had been suspended by Twitter, but the group appeared to have registered @Official_SEA7, which remained active, although had no posts.
What lessons can be learned from the latest Twitter corporate account takeovers? If you manage a Twitter handle, this underscores the importance of using a strong password, running up-to-date security software, not clicking on links, and being very, very cautious when working with Twitter credentials, said Trend Micros Budd.
Also beware reusing passwords, which is a widespread practice. According to a study released Tuesday by British communications regulator Ofcom, a survey of 1,805 people over the age of 15 found that
55% use the same password
for most, if not all, websites.

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Twitter Preps Two Factor Authentication After AP Hoax