San Francisco, Sep 28 : In the biggest-ever security breach after Cambridge Analytica scandal, Facebook on Friday admitted hackers broke into nearly 50 million users' accounts by stealing their "access tokens" or digital keys.
This allowed them to steal Facebook access tokens which they could then use to take over people's accounts, Facebook said in a statement.
Access tokens are the equivalent of digital keys that keep people logged in to Facebook so they do not need to re-enter their password every time they use the app.
"Our investigation is still in its early stages. But it's clear that attackers exploited a vulnerability in Facebook's code that impacted 'View As', a feature that lets people see what their own profile looks like to someone else," said Guy Rosen, VP of Product Management.
Facebook security team discovered the security issue on September 25, and it has now fixed the vulnerability and informed the law enforcement.
"We have reset the access tokens of the almost 50 million accounts we know were affected to protect their security.
"We're also taking the precautionary step of resetting access tokens for another 40 million accounts that have been subject to a 'View As' look-up in the last year," Facebook said.
As a result, around 90 million people will now have to log back into Facebook, or any of their apps that use Facebook login.
After they have logged back in, people will get a notification at the top of their News Feed explaining what happened.
"We're temporarily turning off the 'View As' feature while we conduct a thorough security review," Facebook said.
This attack exploited the complex interaction of multiple issues in Facebook code.
"The attackers not only needed to find this vulnerability and use it to get an access token, they then had to pivot from that account to others to steal more tokens," it said.
Facebook said it does not know who is behind this massive security attack.
"We're working hard to better understand these details and "we will update this post when we have more information, or if the facts change," said the company.
In the Cambridge Analytica scandal, data of nearly 87 million people was breached upon.
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New Delhi (PTI): Will she? Will she not? And on Saturday, she did. After years of frenzied speculation, Congress leader Priyanka Gandhi Vadra is finally entering the Lok Sabha after a resounding win from Wayanad with many a hope that she will re-energise her party and its dwindling electoral fortunes.
The 52-year-old, who joins her mother Sonia and brother Rahul as an MP in what is a rare instance of three members of a family together in Parliament, would visit Parliament as a teenager to listen to her father Rajiv Gandhi speak as prime minister. Four decades later, she joins as member herself -- her detractors crying nepo politics and her party supporters laying out the proverbial red carpet for a promise finally met.
She should have been a politician to the manner born given the Gandhi legacy. But Priyanka Gandhi took the long and winding way into mainstream politics. First were the questions of whether the mother of two would join active politics, and then whether and when she would contest elections.
In September 1999, she told a journalist her entry into politics may take a "long, long time". And it actually did. She took the plunge 20 years later in 2019 and was later appointed Congress general secretary.
Five years after that, Priyanka Gandhi begins her journey as an elected representative of the people.
With a winning margin of more than 4.1 lakh votes, she has surpassed the tally of her brother Rahul Gandhi from Wayanad in Kerala.
Priyanka Gandhi's entry into Parliament comes at a difficult time for the party, which has been jolted by electoral defeats in Haryana and Maharashtra. It would be interesting to see if she is able give a much-needed fillip to the grand old party and help put it back on electoral track.
Often drawing comparisons with her grandmother Indira Gandhi for their similarity in looks and way of speaking, Priyanka Gandhi has been the go-to campaigner for the party since her entry into active politics and even before that when she campaigned for her mother Sonia and brother Rahul.
And more than both, she is the one who many say has the easiest touch when it comes to communicating with people, individuals and crowds, and also in articulating the party's viewpoint on a range of issues. That she is often seen with her brother, sometimes teasing, sometimes chiding and always affectionate, has added to the image of the convivial politician.
Frequently referring to her childhood, the pain of her father Rajiv Gandhi's assassination and her mother's grief, she steered the Congress' campaign during the general election, adroitly walking the tightrope between striking a familial chord and discussing national-level issues. She proved to be a strategist, orator and mass mobiliser -- all rolled into one.
Most of her speeches are akin to a conversation with the crowd, establishing a connect and giving people the impression that here was a person who was known to them, someone sharing her feelings and thoughts with them.
As star campaigner and strategiser, Priyanka Gandhi helped the Congress make impressive gains in some states as well as in the Lok Sabha polls held earlier in the year. Her campaign helped the Congress get 99 seats in the general election, up from 52 in 2019.
As the curtains came down on the 2024 general election, analysts totted up the numbers to highlight that she has proven to be the party's talisman. Priyanka Gandhi took part in 108 public meetings and roadshows. She campaigned in 16 states and a Union territory, and also addressed two party workers' conferences in Amethi and Rae Bareli in Uttar Pradesh.
Priyanka Gandhi has often been projected as a possible challenger to Prime Minister Narendra Modi from Varanasi and also as a successor to Congress veteran Sonia Gandhi in the family pocket borough of Rae Bareli.
Soon after the Election Commission announced the Wayanad bypoll, the Congress declared that Priyanka Gandhi would be its candidate from the seat in Kerala. Rahul Gandhi, it decided, would retain the Rae Bareli parliamentary constituency in Uttar Pradesh and vacate the Wayanad seat he won for the second consecutive time.
After her name was announced for the Wayanad bypoll in June, Priyanka Gandhi said, "I am not nervous at all.... I am very happy to be able to represent Wayanad. All I will say is that I will not let them feel his (Rahul Gandhi's) absence. I will work hard and try my best to make everybody happy and be a good representative."
"I have a good relationship with Rae Bareli as I worked there for 20 years and that relationship will never break," she said, adding that both she and her brother will work together in both the constituencies.
Priyanka Gandhi was made Congress general secretary in-charge of the crucial eastern Uttar Pradesh region in January 2019 and then general secretary in-charge of the entire state.
In December 2023, Priyanka Gandhi was made Congress general secretary "without a portfolio". She helped strengthen the organisation and led the party's campaign in Himachal Pradesh, where the grand old party wrested power from the BJP.
Born on January 12, 1972, Priyanka attended New Delhi's Modern School and the Convent of Jesus and Mary. She holds a bachelor's degree in Psychology from Jesus and Mary College, University of Delhi, and also has a master's degree in Buddhist studies.
Priyanka Gandhi is married to businessman Robert Vadra. The couple has two children -- Raihan and Miraya.
Her entry into Parliament has been long awaited by party's workers and supporters and they are hoping she will provide the booster shot the party needs in its difficult phase at the hustings going forward.